We have advanced production equipment, excellent technology and marketing network to spread our Chip LED 30W 220V White 6000K, led cob red, led 3w all over the world. We strive to achieve the common development of the company and society, and help each other on the road of development to achieve a win-win goal. Our team implements strict quality control for every order. We can find problems early in production and solve them in time to meet the needs of customers. We believe that in addition to providing products with good quality and low price in order to contribute to economic development, we should also take care of our employees and partners.
Product Specs
Item Name: LED MODULE 10W 30VDC 300MA INPUT
Model Number: GF-10WCW-2020
Input Current: 300MA
Power: 10W
Input Voltage: 30-34VDC
LED package type:20*20mm size
Chips brand: Sanan or Bridgelux
Brightness: 120-130LM/W
Color: 6000K or 3000K
Higher light oulput is achieved in a more compact space and the light performance is not disrupfed by shadows or other obstacles to consistent performance.
With wireless bonded technology the chip can directly emit light from the top and the side with no wire bond casting shadows or creating uneven light distribution, providing 15% more light output.
10W-100W FLIP CHIP COB LED Specs | ||||||
Power | Current(mA) | Voltage(VDC) | Chips brand | Chip Size | Color Temperature(K) | Lumen(lm) |
10W | 300 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |
20W | 600 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |
30W | 900 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |
40W | 1200 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |
50W | 1500 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |
60W | 1800 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |
70W | 2100 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |
80W | 2400 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |
90W | 2700 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |
100W | 3000 | 28-34 | Sanan | 15*30mil*2 | 2600-7000 | 110-130lm/w |

Flip chip LED has five major advantages:
1) Electrodes on the flip chip directly contact the ceramic substrate, and omits the need for sapphire substrate used in heat dissipation. Therefore, the chip can be driven by high current.
2) Improvements in heat dissipation, which in turn extends chip lifetime.
3) The wire-bonding free (without wire-bond) flip chip can reduce defect risks during packaging and operations.

We have also other COB LED with 14*14mm, 19*19mm and also 28*28mm size.
The lighting area is round type.
Here is the list for you to take reference:
Model No. | Power | COB Size | Emitting Surface | Voltage | Current | Lumen |
GF-3WW6-0502-X1 | 3W | 13.5*13.5mm | 10mm | 11-13V | 300mA | 110-130LM/W |
GF-5WW6-0502-X1 | 5W | 13.5*13.5mm | 10mm | 14-16V | 300mA | 110-130LM/W |
GF-7WW6-0702-X1 | 7W | 13.5*13.5mm | 10mm | 20-22V | 300mA | 110-130LM/W |
GF-10WW6-1002-X1 | 10W | 13.5*13.5mm | 10mm | 29-32V | 300mA | 110-130LM/W |
GF-12WW6-1202-X1 | 12W | 13.5*13.5mm | 10mm | 34-38V | 300mA | 110-130LM/W |
GF-12WW6-1202-X2 | 12W | 19*19mm | 15mm | 34-38V | 300mA | 110-130LM/W |
GF-15WW6-1502-X2 | 15W | 19*19mm | 15mm | 43-48V | 300mA | 110-130LM/W |
GF-18WW6-1802-X2 | 18W | 19*19mm | 15mm | 52-57V | 300mA | 110-130LM/W |
GF-20WW6-2002-X2 | 20W | 19*19mm | 15mm | 58-64V | 300mA | 110-130LM/W |
GF-30WW6-2002-X2 | 30W | 19*19mm | 15mm | 85-95V | 300mA | 110-130LM/W |
GF-30WW6-3002-X3 | 30W | 28*28mm | 22mm | 29-32V | 1500mA | 110-130LM/W |
GF-50WW6-1210-X3 | 50W | 28*28mm | 22mm | 29-32V | 1800mA | 110-130LM/W |
LED Dimension

Application![]()
Application: Flood light, high bay light, low bay light, street light, solar street light, yard lights, garden lights, underwater lights, lighthouse, aquarium etc

About GMKJ
Shenzhen Guangmai Electronics Co.,LTD.. (hereafter called GMKJ) is the integration of Independent R&D, Production, and Brand agency which is dedicated to providing LED light-emitting devices and LED light-emitting modules for small and medium enterprises.MKJ LED can provide 1w,3w,5w,10,20w,30w,50w,70w,100w high power LED and COB LED.

A. Excellent raw material supply chain, 99.99% purity gold, copper frame, standard cystal.
B. Superb craftsmanship, a 10years experienced technical team.
C. LED encapsulation standarization construction.
Service and FAQ
· Reply your inquiry within 12 working hours
· Well-trained and experienced staffs to answer all your inquiries in fluent English.
· Strict quality control procedures before shipment.
· Customized design is available.OME and ODM are welcomed
· Delivery the goods to our customer all over the world with speed and precision.

Q: Do you offer guarantee for the products?
A: Yes, we offer 4 years warranty to our products.
Q: How to deal with the faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%.
Secondly, during the guarantee period, we will send new LEDs with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.
Q: What is your terms of payment?
A: For small amount orders, 100% better paid by PayPal or T/T in advance. For large amount orders like more than 10000USD, 30% T/T in advance, balance fully paid before shipment.
Q. How to proceed an order for the led?
A: for some products, you can buy on our web directly; otherwise, please contact our sales:
Firstly, let us know your requirements or application.
Secondly, we quote according to your requirements or our suggestions.
Thirdly, customer confirms the samples and places deposit for formal order.
Our goal is not only to provide a wide range of Veg Bloom IR&UV Dual Chips 10W LEDs Grow Light with Full Spectrum for Plant Light, but also to provide solid and effective technical support and services. Our company has unique advantages, so we can occupy a competitive position in the mature market environment. Our company now has its own product quality testing center and a full set of testing equipment, testing ability in the forefront of the industry.
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