COB LED Strip 20M – Wholesale & OEM Supplier from China

VST Lighting supplies COB LED Strip 20m solutions for distributors, contractors, OEM buyers, and project-based customers who need smooth, dot-free illumination in a longer strip format. As a China-based COB LED strip manufacturer, we provide 20 meter linear lighting options for large cabinets, retail runs, decorative outlines, shelving systems, and continuous interior lighting layouts. This product category is suitable for buyers who want fewer interruptions during installation, cleaner visual results, and dependable supply from a factory partner with export experience. From wholesale orders to customized requirements, VST Lighting supports international B2B customers with stable product quality, flexible production options, and responsive technical communication.

  • Dot-free light effect
  • Long 20 meter format
  • Fewer installation interruptions
  • OEM/ODM support available
  • Factory-direct B2B supply

COB LED Strip 20M Manufacturer for B2B Buyers

For many buyers, selecting a COB LED Strip 20m is about more than length. It is about improving installation flow, reducing connection points, and maintaining a smooth lighting effect across longer runs. In retail shelving, interior outlines, display systems, hotel joinery, and large decorative projects, using multiple shorter strips can increase joint visibility, add labor time, and create inconsistency in the finished result.

VST Lighting works with importers, distributors, contractors, and OEM buyers who need reliable COB strip products in practical supply formats. The 20 meter COB LED tape category is suitable for projects where longer lengths help simplify planning, reduce handling steps, and support more continuous installation layouts. This can be useful for buyers serving larger decorative or commercial applications where fewer strip changes are preferred.

As a COB LED strip supplier and factory in China, we can support different versions of this category based on market and application requirements. Options may include color temperature, voltage, IP rating, PCB width, wire connection style, and private-label packaging. This helps B2B buyers match the product to project requirements without relying on one fixed version.

Repeat-order consistency is critical for wholesalers and project suppliers. If batches vary in appearance or strip quality, it can affect installation results and increase after-sales cost. VST Lighting follows controlled production procedures and routine checking to support more stable output and reduce sourcing risk. If your business needs a 20m COB LED strip vendor with export experience, OEM flexibility, and dependable factory coordination, this category is built for that purpose.

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COB LED Strip 20M Series

12V COB LED Strip 20M

Ideal for small runs, automotive, or tight spaces with flexible, safe, low-voltage DC 12V operation.

24V COB LED Strip 20M

Perfect for longer lighting runs with stable brightness and minimal voltage drop using efficient DC 24V power.

Single Color COB LED Strip 20M

Available in warm, neutral, or cool white for clean, uniform lighting in commercial and residential applications.

RGB COB LED Strip 20M

Enables full-color dynamic lighting for decorative, ambient, or event spaces using RGB controller systems easily.

Waterproof COB LED Strip 20M

Protected against moisture and dust, perfect for outdoor, signage, patio, or bathroom LED lighting applications.

Ultra High-Density COB LED Strip 20M

Features 512+ LEDs/m for smooth, dotless illumination in high-end architectural or close-range lighting.

Key Features of Our COB LED Strip 20M

Dotless Illumination
Dotless Illumination

Provides smooth, continuous lighting with no visible LED dots—ideal for cove, under-cabinet, or display installations.

Waterproof Options
Waterproof Options

Available in indoor and waterproof versions for dry rooms, wet areas, or exterior architectural LED strip installations.

Easy Installation
Easy Installation

Includes strong 3M adhesive and cuttable intervals—easy to install, customize, and fit complex lighting layouts.

Smart Control
Smart Control

Works with smart home dimmers, RF/IR controllers, and automation systems to control brightness, color, and effects.

Premium LED Chips

Our COB LED strip 20m uses high-efficacy premium LED chips sourced from leading brands like San’an and Epistar. These chips deliver consistent brightness, high CRI (≥90), and excellent thermal performance. Their long lifespan and low energy consumption make them ideal for commercial and architectural lighting. With chip-on-board (COB) technology, the LEDs are directly mounted to the substrate for seamless, dotless illumination.

COB LED strip 20m Chips
Flexible PCB COB LED strip 20m

Flexible PCB Solutions

We use 2oz copper flexible PCBs in our COB LED strip 20m, ensuring superior conductivity and heat dissipation. The FPC (flexible printed circuit) base is made from polyimide or PET material, allowing it to bend easily around corners and curved surfaces. This flexibility makes it perfect for interior linear lighting solutions, under-cabinet setups, and architectural designs where adaptability and reliability are crucial.

Connectors and Plugs

Each COB LED strip 20m can be paired with durable connectors and DC plugs for quick, tool-free installation. We use copper-plated contacts with fire-retardant PVC or silicone housing to ensure safe and stable connections, even in demanding environments. Our plug-and-play design supports single color and RGB setups, simplifying integration with 24V LED drivers, dimmers, and smart lighting systems used in B2B lighting projects.

COB LED strip 20m Connectors and Plugs

Customer Reviews

VST lighting

Shenzhen VST Lighting Co., Ltd. is a trusted COB LED strip 20m manufacturer in Shenzhen, China, with over 12 years of experience and a modern 15,000㎡ factory. We produce premium 20 meter COB LED strip lights for B2B, OEM, and ODM markets worldwide. Our 20m COB LED strips feature seamless, dot-free illumination, high CRI, and stable color output for commercial, residential, and architectural projects. Available in 12V and 24V versions, they support low MOQs, private labeling, fast delivery, and certified quality with CE, RoHS, and UL compliance.

Drivers and Aluminum Channels: Protecting Our COB LED Strip 20M

Driver For COB LED strip 20m

Selecting the right driver is critical to the performance and safety of your COB LED strip 20m. These LED strips typically run on DC 24V, which requires a constant voltage LED driver with ample wattage to ensure reliable operation.

For instance, if your strip consumes 12W per meter, a total of 240W is needed for 20 meters—so a 300W driver is recommended to provide a safety buffer and maintain long-term durability.

A quality LED strip driver for 20m COB will maintain consistent output voltage, reducing risks of flickering, voltage drop, or uneven brightness. Dimmable driver options allow for advanced lighting control in architectural and retail applications.

It’s essential to select globally certified drivers (CE, RoHS, UL) to ensure compliance with safety standards.

Shenzhen VST Lighting offers fully compatible drivers engineered specifically for COB LED strip 20m installations, ensuring seamless integration, efficient power management, and ease of use for professional B2B projects.

Aluminum Profile For COB LED strip 20m

To maximize the lifespan and visual appeal of your COB LED strip 20m, we highly recommend using high-quality aluminum profiles.

These extrusions serve multiple functions: they act as a heat sink, improving thermal management, and offer a sleek, professional housing that enhances light diffusion.

When paired with frosted or clear covers, aluminum channels eliminate glare and protect the strip from dust, accidental contact, and moisture (when sealed properly).

This setup is especially useful in interior linear lighting solutions, under cabinets, along staircases, or within architectural coves. The rigid housing also allows for more secure mounting using brackets or clips, ensuring the strip remains in place over time.

Our profiles are available in surface-mount, recessed, and corner designs to suit different project needs. Combined with COB LED strip 20m technology, they deliver uniform, dotless lighting with improved durability—making them ideal for both commercial and residential installations.

Application Scenarios of COB LED Strip 20M

Commercial Lighting

The COB LED strip 20m is ideal for large commercial spaces such as shopping malls, showrooms, and open-plan offices. Its high lumen output and seamless, dot-free glow improve product visibility while enhancing the overall customer experience. As an architectural lighting strip, it combines visual appeal with practical energy efficiency for modern interiors. These long COB LED strips are easy to install along ceilings, baseboards, and display shelves, making them a reliable solution for commercial projects that require clean lines, consistent illumination.

Hotel & Hospitality Lighting

In hotels, lighting shapes the atmosphere of comfort and sophistication. A 20 meter COB LED strip is ideal for lobbies, guest rooms, corridors, and spa areas, delivering soft, welcoming illumination throughout the space. Its dotless design creates an elegant glow without visible hot spots, improving both ambiance and guest satisfaction. As an interior linear lighting solution, it works perfectly for under-bed lighting, ceiling accents, and headboard backlighting. This strip helps hospitality designers achieve a refined visual effect while maintaining energy efficiency.

Retail Display & Shelf Lighting

Retailers can enhance product presentation with COB LED strip 20m lighting installed under shelves, around display cabinets, or along perimeter walls. These strips deliver bright, consistent illumination that highlights merchandise while maintaining a clean, modern appearance. With high CRI and uniform light output, they reveal true product colors clearly and attractively. This makes them ideal for cosmetics, fashion, jewelry, and electronics stores seeking stronger visual impact. The 20m length also supports continuous lighting across larger retail layouts.

Under-Cabinet & Task Lighting

In kitchens, labs, and workshop spaces, the 20m LED strip COB is ideal for under-cabinet lighting and workbench illumination. It provides strong, flicker-free light exactly where it is needed, improving visibility, comfort, and safety during detailed tasks. Its slim profile and cuttable design allow a precise fit in compact or custom areas, while the uniform light output reduces harsh shadows and glare. As a reliable and energy-efficient alternative to traditional fluorescent tubes.

Cove Lighting & Ceiling Accents

Cove lighting is a premium architectural technique in which LED strips are hidden within ceiling recesses to produce soft, indirect ambient light. A COB LED strip 20m is ideal for this application, providing a seamless, dotless glow that adds warmth, depth, and elegance to interior spaces. Whether used in residential lounges or luxury hotel suites, it helps create a modern and relaxing atmosphere. Its flexible design also supports creative layouts, making it suitable for both straight ceiling lines and curved cove lighting designs in sophisticated architectural projects.

Architectural Linear Lighting

As an architectural lighting strip, the 20 meter COB LED strip is widely used to define building contours, wall features, and floor guides in public spaces. Its ability to create long, uninterrupted lines of soft, uniform light makes it ideal for premium environments such as museums, galleries, airports, and commercial landmarks. Architects value it for its clean visual effect, dimmable performance, and flexible customization across different color temperatures and installation needs. It is a dependable lighting solution for projects.

Furniture & Interior Design

Interior designers and custom furniture makers frequently use COB LED strip 20m models to create elegant light lines inside wardrobes, bookcases, and under-bed areas. This interior linear lighting solution enhances both style and function, making it especially suitable for modern homes and boutique hotel interiors. With ultra-slim construction and high CRI performance, the strips blend seamlessly into furniture while delivering professional-grade illumination. They help define the mood of a space, improve visibility, and add a refined lighting effects.

Staircase & Hallway Lighting

Lighting staircases and hallways with COB LED strip 20m improves both safety and interior appeal. These strips can be installed along stair treads, beneath handrails, or on sidewalls to provide subtle, low-glare guidance in residential and commercial spaces. Available in warm white or RGB options, they can be tailored for soft night lighting or decorative ambient effects. The DC 24V LED strip light also supports energy efficiency, stable performance, and low maintenance, making it a practical solution for modern buildings that require reliable and visually refined pathway illumination.

Signage & Branding Integration

COB LED strips are widely used in signage and branding elements for commercial spaces. The COB RGB LED strip 20m can illuminate channel letters, lightboxes, and logo walls with vivid, even color output. Its dotless lighting effect creates a premium appearance, while flexible cutting and mounting options make installation easier around curved logos and sharp corners. This strip is an excellent choice for retail storefronts, exhibition spaces, and brand activations that require strong visual impact, smooth color presentation, and reliable lighting performance.

Outdoor & Architectural Facades

For exterior projects, IP65 or IP67-rated COB LED strip 20m models are ideal for illuminating facades, pathways, gazebos, and outdoor signage. These weather-resistant strips are built to perform reliably in wet, dusty, and demanding environments while maintaining smooth, continuous brightness. As an architectural lighting strip, they effectively highlight structural lines, landscape features, and entrance areas with a refined visual effect. They also improve nighttime safety and visibility, making them a practical and stylish solution.

COB LED strip 20m Supplier

20 Meter COB LED Strip for Long Linear Lighting Runs

Looking for high-performance, dotless LED lighting? Shenzhen VST Lighting offers 20 meter COB LED strip solutions designed for professional B2B projects. We support full OEM customization, low MOQs, and fast global shipping—ideal for importers, contractors, and lighting brands seeking quality and reliability.

Manufacturing Excellence and Installation Guidance for COB LED Strip 20M

Comparison Table: 20M COB LED Strip Specifications

Specification Uno-Lighting Lighting Direct FactorLED SuperBrightLEDs (Scaled)
Length 20m 20m 20m 20m (4 × 5m segments)
Voltage 24V DC 24V DC 220V AC 24V DC
Wattage per Meter 8W 8W 12W ~10W (scaled from 5m / 50W)
Total Wattage (20m) 160W 160W 240W ~200W
Lumens per Meter 720 lm 800 lm 195 lm ~910 lm (scaled from 5m / 4550 lm)
Total Lumens (20m) 14,400 lm 16,000 lm 3,900 lm ~18,200 lm
LED Density (LEDs/m) 384 312 320 512
Color Temperature 2700K / 4000K / 6000K 4000K / 5000K 2700K 2200K – 6500K
Color Rendering (CRI) ≥90 ≥90 ≥92 ≥90
IP Rating IP44 IP20 IP67 IP20 (STN) / IP65 (STW)
Dimmable Yes (with controller) Yes (with compatible dimmer) Not specified 0–100% dimming supported
Cuttable Interval Not specified Every 5 cm Not specified Every 62.5 mm (2.46 inches)
Beam Angle Not specified Not specified 120° 180°
Lifespan Not specified 40,000 hours 30,000 hours 30,000 hours
Warranty 2 years (3 w/ aluminum) 3 years Not specified Up to 5 years
Mounting Type Adhesive backing 3M adhesive tape Not specified Adhesive backing
  • COB LED Strip 20m is commonly available in both 24V DC and 220V AC, depending on installation scope.
  • Higher lumen efficiency is often achieved at lower LED densities (example: Lighting Direct).
  • Voltage drop mitigation (power injection every 5–10m) is critical for maintaining uniform brightness in long runs.
  • Dimming support varies by brand and may require a compatible controller or PWM dimmer.

How to Install a 20m COB LED Strip Light (DC 24V)

Installing a COB LED strip 20m is a smart and energy-efficient way to create uniform, professional lighting for architectural, commercial, and decorative projects. This guide is designed to walk contractors, lighting professionals, and importers through the complete process of a 20m LED strip installation, ensuring high performance, safety, and long-term reliability.

1. Plan Before You Install

Before starting your 20m LED strip cob installation, begin by measuring the area and planning the lighting layout. Make sure you have a clean, dry surface for mounting. Decide whether the strip will be used in a straight line, curved layout, or around corners.

Calculate the total wattage (for example, 14W/m × 20m = 280W) and ensure your DC 24V LED strip light driver can handle at least 20% more than the required load — typically around 320–350W.

For RGB installations, you’ll also need a compatible controller. If the strip is being segmented, take note of the cutting points (marked on the strip) and whether additional connectors, solder joints, or amplifiers are needed. Planning your injection points is also critical to avoid voltage drop across long distances.

2. Preparing the COB LED Strip 20M

Once your materials and layout are ready, carefully unroll the COB LED strip 20m. Avoid powering the strip while it is rolled up, as this can cause overheating or damage. Before permanent installation, it’s advisable to pre-test the strip with the power supply to confirm uniform brightness and functionality.

Clean the installation surface thoroughly. If you’re using the built-in adhesive backing, ensure that it sticks firmly to the surface. For high-heat areas or professional finishes, consider installing the strip inside aluminum channels with diffuser covers, which help manage heat and offer added protection for long-term use.

3. Mounting and Connection Process

To begin installation, either peel the adhesive backing and stick the strip directly to the surface, or slide it into the prepared aluminum profile and secure with mounting clips. The profile method is preferred for most professional-grade 20m strip light applications, especially in visible or high-use environments.

Next, connect the strip to the power supply. A DC 24V LED strip light will require attention to polarity—connect the positive and negative wires accurately. For single-color strips, this is a straightforward two-wire connection. For RGB variants, connect the strip to a 4-pin RGB controller, which then links to the driver. Be sure to use correct gauge wiring (typically 18 AWG or thicker) to prevent voltage drop, especially over long runs.

4. Managing Long Runs and Voltage Drop

When installing a full-length 20m LED strip cob, you must account for voltage drop to maintain consistent brightness. This can be done by injecting power at both ends of the strip or at strategic intervals — every 5 to 10 meters — depending on the wattage and the cable type used.

If you’re installing an RGB COB LED strip 20m, LED signal amplifiers should be added after every 10 meters to maintain synchronized color and brightness. This ensures your entire lighting system works efficiently without dimming or flickering at the far end of the strip.

5. Final Testing and Troubleshooting

Once everything is in place, turn on the system and perform a full test. Check for uniform brightness along the entire length of the strip. Use a multimeter to verify voltage consistency, especially at the end of the run. Confirm that your dimmer or controller is working correctly and that there are no visible signs of overheating, connection instability, or flicker.

Finally, secure all wiring and connectors neatly using clips or trunking. This protects the system from future damage and makes any future maintenance easier.

6. Expert Support from VST Lighting

Professional installation of a 20m LED strip installation doesn’t need to be complicated — especially when you have the right support. At Shenzhen VST Lighting, we provide full installation guidance, Dialux lighting design layouts, wiring diagrams, and technical support for all COB LED strip 20m projects.

Whether you’re specifying for a hotel, retail display, or custom lighting system, our engineering team is available to help you plan, install, and operate with confidence.

For wiring diagrams, controller configuration, or custom installation requests, contact us at sales@vstlighting.com.

  • Knowing as friends since 2010, we are always working together. Just like what he says in the video, “from 60,000pcs I only had a few breakdown which were directly, immediately replaced”. There are still tens of spare drivers we sent to him in case of breakdown in their warehouse because they don’t need them at all.

    Mr. Freddy Decaigny from Belgium
  • This electrical contractor firm has been our trusted partner since 2013, consistently sourcing LED products like 2G11 and T8 LED Tube Lights. Their recent orders now include our LED High Bay Lights, LED Flood Lights, Aluminium Profile, and Street Lights, hinting at a potential expansion in our collaboration involving LED aluminum profiles.

    Mrs. Paola Patrucco from Italy
  • We know each other in late 2013, right after testing for 4pcs samples, an 800pcs order is placed and the collaboration keeps going well. We do a big project together but due to the agreement, we can’t say more details here.

    Mr. Jamie Sharpe from Ireland
1. Are you a manufacturer or a trading company?

We are a direct COB LED strip 20m manufacturer based in Shenzhen, China, with 12+ years of experience and a 15,000㎡ factory. We handle R&D, SMT production, and quality control in-house for consistent, fast, and reliable delivery.

2. What is the warranty period for your COB LED Strip 20M products?

We offer a 3 to 5-year warranty on all COB LED strip 20m models, including waterproof and indoor versions, depending on usage and model type.

3. What does your product warranty cover?

Our warranty covers manufacturing defects and LED or PCB failures under normal use. Misuse, faulty wiring, or third-party accessories are excluded.

4. Can I request a sample before placing a large order?

Yes, we offer sample orders for any COB LED strip 20m model. Sample fees are refundable with bulk order confirmation.

5. What is your lead time for samples and bulk production?

Samples are ready in 3–7 working days. Standard bulk order lead time is 2–3 weeks, depending on volume and customization.

6. How do you ship both small and large orders?

We ship via DHL/FedEx/UPS for small orders. For larger volumes, we offer air, sea, FOB, CIF, and DDP options.

7. What payment options do you support?

We accept T/T, PayPal, and Western Union. For large B2B orders, L/C (Letter of Credit) is available upon request.

8. Do you offer OEM or ODM customization?

Yes, we provide OEM/ODM COB LED strip 20m solutions—including CRI, IP rating, CCT, packaging, and private labeling.

COB LED Strip 20M Manufacturer FAQ Guide

Upgrade your projects with premium COB LED strip 20m solutions from Shenzhen VST Lighting. We support importers, distributors, and contractors with factory-direct pricing, fast lead times, and OEM/ODM service. Request a free sample, pricing, technical data, and shipping options today. Small MOQ and bulk orders are both welcome.

1. Can I customize the PCB width or LED density for the COB LED strip 20m?

We provide full customization for COB LED strip 20m, including PCB width, LED density, and copper thickness. Options include high-density layouts up to 512 LEDs/m and custom 12V or 24V circuit designs. Built to your drawings or specifications, these solutions support application-specific performance, brightness, durability, and thermal management.

2. Do you offer high CRI options for COB LED strip 20m?

Our COB LED strip 20m is available in CRI90+ and CRI95+ for applications requiring accurate, natural color rendering. Ideal for museums, retail, and interior projects, it enhances visual presentation under artificial light. We also support CRI customization for OEM and ODM orders to match specific market or project requirements.

3. Is the 20 meter COB LED strip available in tunable white (CCT adjustable)?

Our tunable COB LED strip 20m adjusts from 2700K to 6500K, making it ideal for homes, hotels, offices, and wellness spaces. Available in 12V and 24V, it supports smart dimming and scheduling. This flexible solution lets users switch from warm to cool white for different moods and functions.

4. What are the IP ratings available for COB LED strip 20m?

Our COB LED strip 20m is available in IP20 for indoor use, IP65 for splash-prone areas, and IP67 for outdoor applications. Waterproof options include silicone sleeve, PU-coated, and nano-coated finishes. These models suit kitchens, bathrooms, gardens, signage, and façade lighting while matching different project budgets and environments.

5. Can I control the COB LED strip 20m using a smart system or app?

Our COB LED strip 20m works with RF/IR remotes, PWM dimmers, and smart platforms like Tuya, Alexa, and Google Assistant. RGB versions support color presets, effects, and scheduling. Ideal for smart homes and commercial use, these strips can also be pre-configured to match your existing lighting control system.

6. Do you provide aluminum profiles or accessories for installation?

YES! We offer aluminum profiles for COB LED strip 20m in surface, recessed, and corner types. They improve heat dissipation, protection, and appearance. Options include diffusers, clips, end caps, and connectors. Profiles come in 1m or 2m lengths, with bulk pricing available for distributors and project-based buyers.

7. How do you handle voltage drop across 20 meters?

For a 20m COB LED strip, voltage drop can affect brightness consistency. We recommend power injection every 5–10 meters, especially for 24V models. A quality driver and thicker wire also help reduce loss. We can provide wiring guidance, pre-soldered injection points, or dual-input options for more even long-run performance.

8. Can you supply bulk COB LED strip 20m for wholesale distribution?

We specialize in bulk COB LED strip 20m supply for wholesalers, distributors, and importers. With low MOQ, competitive pricing, and fast lead times, we support large orders reliably. Options include custom labeling, bulk packing, flexible shipping, and certified single-color, RGB, or waterproof models with dedicated technical and sales support.

9. What color temperatures are available for single-color COB LED strip 20m?

Our single-color COB LED strip 20m is available in 2700K, 3000K, 4000K, 5000K, and 6500K. It delivers dotless, uniform lighting with high CRI and low power consumption for residential, commercial, and retail use. Warm or cool tones are available, and custom CCT options can be provided for OEM orders.

10. Can your COB LED strip 20m be cut or extended?

Our 20m COB LED strip supports easy customization with cutting marks every 2.5–5 cm, depending on voltage and model. It can be extended using soldering or quick-connect terminals. COB RGB 20m versions support multi-pin connectors. For long runs, power injection helps maintain consistent brightness and color across the installation.

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