CHANGLONG PCB Assembly Services: 0.2mm Pitch, 100K+ Monthly Capacity, UL Certified Manufacturing
CHANGLONG Electronics delivers superior printed circuit board assembly services with over 4,000 satisfied B2B customers worldwide. Our commitment to quality, competitive pricing, and reliable delivery ensures your electronic projects succeed.
- Minimum 0.2 mm pitch capability
- Comprehensive X-Ray inspection
- One-step solution with free DFM check
- Cost-effective production solutions
- 3 dedicated DIP assembly lines
- 4 professional soldering lines
- Package on Package assembly
- Certified components sourcing
- High quality at competitive prices
- 5 advanced SMT assembly lines
- Component sizes: 01005, 0201, 0402, 0805
- Comprehensive testing: AOI, X-Ray SPI, ICT Jig Test
- 100% E-Test for each PCB assembly
- Monthly capacity: 100,000+ pieces
- 100% original LED chip components
- LED driver PCB assembly
- LED control PCB assembly
- Custom hardware & firmware development
- Monthly capacity: 100,000+ pieces
- Schematic design services
- Professional PCB layout design
- IC programming capabilities
- Professional R&D team (70 engineers)
Our experienced R&D team specializes in IoT hardware and firmware design, providing comprehensive PCB development services for smart devices.
We offer comprehensive electronic contract manufacturing services including:
- Prototyping and PCB assembly
- Electromechanical and cable assembly
- Testing and aftermarket services
- Contract design and 3-D modeling
- Circuit simulation and optimization
- Quality review and technical feasibility studies
As a UL certified manufacturer (E501497), we produce 2 to 50 layer PCBs including rigid, flex HDI, and rigid-flex boards. Our monthly production capacity reaches 400,000 pieces and 30,000 square meters.
FR4 Printed Circuit Board
Aluminum Printed Circuit Board
HDI Printed Circuit Board
High Frequency Printed Circuit Board
Heavy Copper Printed Circuit Board
Rigid-Flexible Printed Circuit Board
Bare Printed Circuit Board Manufacturing
Smart Home Devices PCB Assembly
Telecom PCB Assembly
BLE & WIFI Module PCB Assembly
IoT Smart Sensor PCB Assembly
Home Appliance PCB Assembly
Industrial Control PCB Assembly
Medical Devices PCB Assembly
Security Device PCB Assembly
LoRa Products Assembly
Payment & Energy Products PCB
Wearable Devices Assembly
| Parameter | Value |
|---|---|
| Order Quantity | 1-500,000 pieces |
| Number of Layers | 1, 2, 4, 6, up to 22 layers |
| Board Material | FR-4, glass epoxy, FR4 High Tg, Rohs compliant, Aluminum, Rogers, etc. |
| PCB Type | Hard, flexible, rigid-flexible |
| Max PCB Dimensions | 20inch × 20inch or 500mm × 500mm |
| Board Thickness | 0.4~4.0mm |
| Copper Thickness | 1/2OZ, 1OZ, 2OZ, 3OZ |
| Surface Finish | HASL, Nickel, Imm Gold, Imm Tin, Imm Silver, OSP etc. |
| Min Drill Hole Diameter | 0.01'', 0.25mm, or 10 mil |
| SMT Jointing Min. Space | 0201mm |
| Placement Precision | ±0.01mm |
| PCB Type | Sample Lead Time (Normal) | Sample Lead Time (Faster) | Mass Production Lead Time |
|---|---|---|---|
| Single, Double-sided | 5-6 workdays | 48-72 hours | 7-9 workdays |
| 4 Layer | 6-7 workdays | 5 workdays | 10-12 workdays |
| 6 Layer | 7-8 workdays | 6 workdays | 13-15 workdays |
| Over 8 Layer | 10-12 workdays | 6-7 workdays | 16 workdays |
| HDI | 10-12 workdays | 12 workdays | 20 workdays |
PCB Assembly Lead Time:
- Sample Lead Time: PCB Fab + Components Sourcing + PCB Assembly = 15 workdays
- Mass Production Lead Time: PCB Fab + Components Sourcing + PCB Assembly = 20 workdays
Inner packing: Anti-static vacuum bag
Outer packing: High quality carton
CHANGLONG Electronics LTD, established in 2006, is a professional PCB and PCB assembly manufacturer based in Shenzhen, China. We hold ISO9001:2000, ISO14001, and UL RoHS certifications with a monthly capacity of 400,000 PCB pieces and 100,000,000 assembly units.
What does CHANGLONG do?
We specialize in manufacturing rigid FR-4 PCBs, flexible PCBs, metal core PCBs, RF/microwave PCBs, and PCB assembly services.
Where is your target market?
95% of our PCB products are exported to Europe and North America.
What payment methods do you accept?
T/T, Western Union, MoneyGram, L/C, and PayPal for samples.
How fast do you provide quotes?
Typically within 5-45 minutes during business hours (Monday-Friday 8am-5pm Beijing Time).
Contact us now to get a quote for your PCB manufacturing/assembly projects.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.