The key to our success is 'Good Product Quality, Reasonable Value and Efficient Service' for 3014 smd, 5w cob led chip, reverse mount rgb led. With the continuous growth of the company and the continuous expansion of business, our company sincerely advances together with the talents at home and abroad. Our company always adheres to the people-oriented development concept, focusing on the combination of high-level talent introduction and talent training. In order to obtain the market competitive advantage, we need to constantly adjust the strategy and management mode, constantly adopt new technology and new equipment, and constantly improve the operation efficiency of equipment.
Product Specs
Item Name: 12V LED Circuit Board Assembly Service
Place of Origin: ShenZhen, China
Model: GMKJ-PCBA LED
MOQ: 1000 piece
PCB capabilities:
-1500mm long board PCB (FR4 and aluminium)
- FR4, 1 to 20 layer PCB either with HDI.
- 2 layer aluminium PCB
- Quick turn: 2L with 24 hours, 4L with 48 hours, 6L with 72 hours, 8L with 96 hours
- No min. order quantity, even 1 piece is workable.
PCBA capabilities:
-Components sourcing
-SMT assembly including BGA assembly
-Accepted SMD chips: 01005, BGA, QFP, QFN, TSOP
-Component height: 0.2-25 mm
-Min packing: 0201
-Min distance among BGA: 0.25-2.0 mm
-Min BGA size: 0.1-0.63 mm
-Min QFP space: 0.35mm
-Pick-placement precision: ±0.01 mm
-Placement capability: 0805, 0603, 0402, 0201
-High pin count press fit available
-SMT capacity per day: 7,000,000 points
Model NO. | GM-LED PCBA | Customized | Customized |
Layers | 1 ~16layers | Origin | Shenzhen,China |
Base Material | FR4, High Tg FR4, Halogen Free, Isola, Rogers, Aluminium | ||
Finished Board Thickness | 0.2~3.8mm | Copper Thickness | 0.5oz ~ 6oz |
Surface Finishing | HASL,ENIG,OSP,Immersion Silver,ImmersionTin, | Max gold plating thickness | 50 micro inch |
Silkscreen color | White, Black, Green,Yellow,Red,Blue | ||
Min trace Width | 0.075mm(3mil) | Min Trace Space | 0.075mm(3mil) |
Min finished holes size | 0.1mm(4mil) for laser holes; 0.2mm(8mil) for mechanical holes | ||
Max finished size | 600mm*900mm | Hold Tolerance | PTH:±0.076mm(+/-3mil), NTPH:±0.05mm(+/-2mil) |
Solder mask color | Green, White, Black, Red, Yellow, Blue,Matt -Black,Matt-Green | Impedance Control | ±10% |
Profiling Punching | Routing, V-CUT, Chamfer,Punching | Special Holes | Blind/Buried holes, Countersunk holes |
Reference Standard | IPC-A-600H Class 2, Class 3, | Certificate | IATF16949,UL, ISO9001, ROHS.SGS,CQC |
Package | Vacuum & Carton | ||
Pictures![]()

PCBA Manufacturing Capabilities | Special Procedure | |||
Item | Parts | Capability | Parts | Yes/No |
| PCB Size | Max | 1500*460mm | Aluminum board/FPC | Y |
Min | 50*50mm | POP | Y | |
Thickest | 5mm | N2 soldering | Reserved N2 interface | |
Thinnest | 0.5mm | UV curing | Y | |
SMT | Max | 150*150*25mm | PCBA cleaning | Y |
Min | 0201(inch) | pressure welding | Y | |
SMT Min Pitch | 0.3mm QFN | conformal coating | Y | |
BGA Min Pitch | 0.35mm BGA | high and low temperature cyclic aging | Y | |
Wave Soldering | Max Width | 550mm | ||
Min Width | 12mm | |||
SMT Line

About GMKJ
GMKJ is a one-stop PCB assembly service provider, including PCB assembly, components sourcing, stencils, cable assembly and final product assembly and testing, and we have been providing turnkey PCB assembly services since 2006. We have a PCB factory, a PCB assembly shop (5 SMT lines, 4 DIP lines, 2 AOIs, reflow/wave soldering ovens, X-ray testers, etc.) and an experienced component sourcing team in Shenzhen, China.

·Top 100 LED Chip manufacturer in China
·Obtained 200+ patents
·10000+ square meters
·SGS, TUV, BV, ISO9001 audited factory
·300+ employees
·30+ production lines: SMD workshop, COB workshop, SMT workshop
·100KK SMD LED per month
·3KK COB LED per month
Service & FAQ
Shipping Options:
1. By Express: such as DHL, UPS, TNT, FEDEX etc. The dispatch time is about 10-15 days.
2. Air Freight: when your order more than 100kgs which will be more economical than express.
3. Sea Freight: we will update sea freight once we know your sea port where goods will be delivered.
4. Agent designated by client: please tell us the contact detail of your shipping agent and we will arrange to deliver the items.

Q: What’s your product range?
A:Our main products include:
·COB LED 2-400W
·Compact SMD LED 0.06W-5W
·Integrated Flip Chip LED Module 3-500W
·Power LED 1-5W
·R.G.B LED or RGB/RGBW LED 1-100W
Q:Are you manufacturer or trade company?
A:We are an experienced and professional LED manufacturer since 2005.
Q:What payment method do you accept?
A:We accept T/T, Paypal, Western Union and others more as clients’ requirement.
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: Is it OK to print my logo on the packing?
A:Of course, customized packing accepted! ! But it may bring some cost, it depends on the qty, if small qty then we don't accept.
Our company continuously strengthens Assembled PCB with Electronic Components research and development, and accelerates the pace of our market penetration. We can quickly respond to changing market conditions by taking advantage of our advantages, such as our flexible production lines, balanced product structure, efficient sales system, and a wide range of customer groups. Our company has the ability to solve customer problems, and our enthusiastic service standards are well-known in the industry.
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