We can gain a price advantage by continually improving and updating our led 30w 4000k, 3w led diodes, 30w cob led full spectrum, thereby increasing our profits. Our company has independent research and development of core technology, systematic marketing network, strong service platform, and perfect quality management system. We insist on standing in the customer's angle to think about the problem, seek truth from facts for customer service.
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 |
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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.
With many years of industry experience, strong market adaptability, stable and reliable product performance, and rich and complete product line, we have won a good reputation in the Industry Control PCBA for SMT Wave Soldering Process industry, and our products have a strong competitive advantage in industry competition. We always persist in hard-struggle to win customers' satisfaction with our quality, price and service. We grow up quickly to service more and more customers in the world. Our company has the overall strength of product research and development, design and production, and has obvious leading professionalism in the industry.
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