These principles today much more than ever form the basis of our success as an internationally active mid-size business for led pcb board, 30w cob led module, cob led rgb. We strengthen the construction of our workforce with quality improvement and ability cultivation as the core. First of all, we train our employees on the concept of quality service. They establish their consciousness of quality service by learning new ideas.
Product Specs
Item Name: LED MCPCB Boards Soldering
Place of Origin: ShenZhen, China
Model: GMKJ-PCBA LED
MOQ: 1000 piece
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
PCB layer | 1, 2, 4 or 6, up to 18 layers |
Board shape | Rectangular, round, slots, cutouts, complex, irregular |
Board type | Rigid, flexible, rigid-flexible |
Board material | FR-4 glass epoxy, FR4 High Tg, RoHS compliant; Aluminum, Rogers, etc. |
Board cutting | Shear, V-score, tab-routed |
Board thickness | 0.2 ~ 4.0 mm (±10%), Flex board: 0.01 ~ 0.25″ (±10%) |
Copper weight | 1.0, 1.5, 2.0 Oz (tolerance ±0.25 oz) |
Solder mask | Double-sided green LPI, Also support red, white, yellow, blue, black |
Silk screen | Double-sided or single-sided in white,yellow, black, or negative |
Silk screen min. line width | 0.006″ or 0.15mm |
Max board dimension | 20 inch *20 inch or 500mm*500mm |
Min. trace/gap | 0.10mm, or 4 mils |
Min. drill hole diameter | 0.01”, 0.25mm, or 10 mils |
Surface finish | HASL, Nickle, Imm Gold, Imm Tin, Imm Silver, OSP etc. |
Min.slot width | 0.12”, 3.0 mm, or 120 mils |
V-score depth | 20-25% of board thickness |
Plated through holes | Yes |
Design file format | Gerber RS274X, 274D, Eagle and AutoCAD’s, DXF, DWG, Protel 99se |
Pictures![]()

SMT Line

About GMKJ
GMKJ main products includes COB LED, flip chip COB LED, 3030 SMD LED, EMC 5050 SMD LED, ceramic 3535 SMD LED, 1-5W K2 High Power Emitter, Horticultural full spectrum LEDs, LED PCBA and LED modules with lens. GMKJ provides full-range of technical and professional support for LED light source design, solutions and lighting applications.

Competitive Advantages of our LEDs:
1. Good quality guarantee, 50000 hours lifespan, 2-5 years warranty.
2. Professional engineers and experienced workers.
3. Short delivery time, normally 1-7 working days.
4. Customized specifications available in CCT, CRI, Lumen, VF, Color , etc.
5. Various module type, such as SMD LED, 1-5W high power LED , 1-1500W integrated LED.
Service & FAQ
Our Services/Why choose Us
1. Professional service: replied within 24 hours(at workdays).
2. Various ready moldings of lamp led are available: no need to afford extra fee for moldings.
3. We also can provide customized products, design according to your demand.
4. Reliable and stable quality: 100% testing for each piece. Automatic testing and bin code selection machine.
5. Experience: produce LED components for more than 14 years.
6. Advanced Equipment: ASM automatic production machines(biggest brand in LED automatic machines)
7. Concentration: We focus on LED research and development, production and sales.

Q. Is there any discount for bulk order?
A: Yes, if you need bulk order or you want customized products, we can provide wholesale price.
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 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.
Fourthly, we arrange the production.
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.
We are strict about the quality of our 360 Spinning Metal Turntable Display Pegboard Hook Rotating Display, because it is our aim to provide quality products and services to our customers. Our company has its own research and development team, which integrates software and hardware. In the spirit of hard work, we provide customers with the best products and integrate with the market from the perspective of customers. Quality&customer initially are normally our constant pursuit.
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