After effective optimization and improvement program, our company has made significant improvement and promotion in production efficiency and 4040 SMD LED UVC 265NM For Sterilization, 220v led 30w, 100W COB LED LM-80 Of LED Streetlight quality. Since its establishment, our company has been highly praised by many partners and established long-term cooperative relations. We hope to join hands with pals in different industries to produce a outstanding foreseeable future. We hope to cooperate with a lot more friends for mutual added benefits. We believe that any outstanding technology, product and service can only be recognized by customers and create value for customers if the quality is excellent.
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.
Our company has gradually become a strong competitive and representative brand in the industry, and has become a representative manufacturer of 2020 New Design PCB From China with PCB Assembly and Soldering. We have made great achievements in scientific and technological innovation, industrial development and management, accumulated precious spiritual wealth and profound cultural heritage. We take the customer as the center and market as the goal, quickly transform scientific and technological achievements into productivity in order to introduce new products to meet the new needs of customers.
Hot Tags: LED pcb boards assembly soldering, China, manufacturers, suppliers, factory, price, cheap, quotation, datasheet, specs, specification, Led 3030 6v, chip led 30w, 20w smd led, smd 3030, ws2812b 3535, convoy s2 uv review








