Do you have any certifications for your products?

Yes, All of led have CE,FCC,RoHS and LM-80 certifcations

What chip you usually use for your led?

We usually use Epistar, Bridgelux and Epileds LED chip for our LED package.

250W 300W 400W 500W High Power Flip Chip COB LED

Name: 250W 300W 400W 500W High Power Flip Chip COB LED
Brand: Shenzhen Guangmai Electronics Co., Ltd.
SKU: 1982423685

Guangdong, ChinaShenzhen Guangmai Electronics Co., Ltd.

US$16.00-18.00

200 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Usage

Flood Light

Power

200W

Model NO.

GF-300W-SA

Emitting Color

White

LED Chips

Bridgelux

Welding Process

Golden Wine Bond

IP Rating

IP33

Beam Angle

120°

LED Packaging Type

Circle

Base Material

Aluminum

Life

80000h

Certification

FCC, RoHS, CE

Product Name

250W 300W 400W 500W High Power Flip Chip COB LED

Transport Package

16 PCS Per Layer Vacuum Package

Specification

0.015kg

Trademark

GMKJ LED

Origin

China

HS Code

8541410000

Production Capacity

10000000

Key features

High Power Output: Available in 250W, 300W, 400W, and 500W high power flip chip COB LED configurations.

Customizable Power: Power ranges from 10W to 100W and 120W to 300W can be customized on request.

Long Lifespan: Provides a durable life-span of 50,000 hours for long-term reliability.

Comprehensive Warranty: Includes a 3-year warranty covering all products with replacement or money refund options.

Energy Efficient: Saves more than 95% power compared to ordinary bulbs and reduces carbon emissions.

Multiple Color Options: Available in white with color temperatures of 3000K, 4000K, 5000K, and 6000K.

Premium LED Chips: Utilizes high-quality chips from Bridgelux, Epistar, and Epileds for superior performance.

Global Certifications: Products pass LM-80, CE, FCC, and RoHS testing standards for international compliance.

Company profile

Shenzhen Guangmai Electronics Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2011-04-20 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤9.63h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShenzhen Guangmai Electronics Co., Ltd. is a China-based LED packaging manufacturer and factory established in 2009, with 93 employees and a 3,000 m² manufacturing plant. Its stated products include high-power, SMD, COB, UV, IR, and LED chip products. The supplier reports eight production lines, six to ten quality-control staff, automatic die-bonding, wire-soldering, color-sorting, and reel-packaging equipment, plus an ISO9001:2015 certification. It states that its R&D department supports OEM and ODM projects, with seven years of total R&D engineer experience. The company exports to more than 40 countries and reports partnerships with Germany Osram and USA Bridgelux, but the provided information does not independently verify these relationships or provide detailed customer case studies. Evidence is insufficient to assess after-sales service and financial credibility.

Supplier typeThe supplier is identified as Shenzhen Guangmai Electronics Co., Ltd., a Chinese limited company and factory operating in manufacturing. Its stated business is professional LED chip packaging, covering SMD LED, COB LED, high-power LED, UV LED, and IR LED products.

CertificationsThe supplier explicitly reports holding an ISO9001:2015 certificate for supplier management systems. This provides evidence of a certified quality-management system, although no other certifications are listed.

R&D capabilityThe supplier reports an R&D department, seven years of total R&D engineer experience, professional engineer support, and product coverage including UV, IR, NIR, UVC, UVA, and UVB LED chips. These facts support technical development capability, though no patents, dedicated R&D size, or specific innovation results are provided.

Production capacityThe supplier reports eight production lines, a 3,000 m² manufacturing plant, six to ten quality-control staff, and automated ASM die-bonding, wire-soldering, color-sorting, and reel-packaging equipment. It also provides stated production information for high-power LEDs, indicating established manufacturing capacity.

Customization capabilityThe supplier explicitly states that its R&D department supports OEM and ODM projects, and it offers multiple LED formats and application categories. This is direct evidence of customization support, although project scope, minimum order quantities, tooling, and engineering process details are not provided.

Client casesThe supplier states that it exports to more than 40 countries and has partnerships with Germany Osram and USA Bridgelux; it also reports exporting since 2011. These are stated market and relationship references, but no named project details, order examples, or independently verifiable case studies are supplied.

Product Q&A

Q:What is your payment way?

T/T, Paypal, Western union, HKHSBC.

Q:What is your shipment way?

Airplane, Marine shipmeng ,DHL, EMS, UPS, etc.

Q:How long is your delivery time?

We need 4-5 days to prepare the goods.

Q:How long is your warranty time?

We offer 3 years warranty.

Q:What is your main products?

Guangmai LED Specialize in high quality led from 2009, Inculding 1w 3w 5w-500w High Power led and COB 3W-30W , SMD 3030,SMD 3535,SMD 5050,SMD 2835 etc.