Superior OEM PCB Solutions for Consumer Electronics
At Finest Printed Circuit Board Limited, we specialize in providing top-tier PCB and PCBA solutions tailored to diverse consumer electronics applications. Our expertise in manufacturing circuit boards for torch lights, mobile phones, capacitive touch interfaces, and Bluetooth keyboards ensures that you receive high-quality, reliable products that meet your precise needs.
High-Performance Torch Light PCBs
Our torch light PCBs are designed to provide efficient and reliable operation for handheld lighting solutions.
- Durable Construction: Engineered to withstand the rigors of regular use, including impacts and temperature fluctuations.
- Power Efficiency: Optimized for low power consumption while delivering bright and consistent illumination.
- Compact Design: Space-efficient layout to fit seamlessly into various torch light designs without compromising functionality.
Advanced Mobile Phone Capacitive Touch Motherboards
Our capacitive touch motherboards for mobile phones are crafted to enhance touch sensitivity and overall device performance.
- Responsive Touch Technology: Utilizes advanced capacitive sensing technology to ensure accurate and smooth touch interactions.
- Seamless Integration: Designed to integrate seamlessly with mobile phone components, providing reliable performance and functionality.
- Robust Connectivity: Supports multiple interfaces and connections to ensure comprehensive communication between different mobile phone components.
Innovative Bluetooth Keyboard PCBs
Our Bluetooth keyboard PCBs are engineered for seamless integration and exceptional performance in wireless keyboards.
- Enhanced Connectivity: Provides reliable Bluetooth communication with low latency and high data transfer rates for a smooth typing experience.
- Compact and Durable: Designed to be compact yet robust, accommodating various keyboard layouts and ensuring long-term durability.
- Efficient Power Management: Optimized for minimal power consumption, extending battery life and reducing the need for frequent replacements.
Custom PCBA Services for Diverse Applications
We offer flexible PCBA services tailored to your specific requirements, whether for prototypes or large-scale production.
- Bespoke Assembly: Custom assembly options to match your unique design needs, ensuring that each board meets your exact specifications.
- Rigorous Quality Control: Each PCB undergoes thorough testing to guarantee reliable performance and adherence to quality standards.
- Fast Turnaround: Efficient production processes to provide quick turnaround times, meeting your project deadlines with precision.
Why Partner with Us?
- Expertise in Diverse Electronics: Our extensive experience across various consumer electronics applications ensures that we understand the specific needs and challenges of each project.
- Commitment to Excellence: We maintain high standards of quality and precision, providing you with circuit boards and assemblies that are both dependable and high-performing.
- Customer-Focused Solutions: We are dedicated to delivering tailored solutions that align with your project goals, from initial design to final assembly.
Get in Touch for Your PCB Needs
Contact Finest Printed Circuit Board Limited today to request a quote and discover how our custom PCBs and assembly services can support your torch light, mobile phone, capacitive touch, and Bluetooth keyboard projects. Experience the quality and performance of our expertly engineered circuit boards and assemblies.















Why choose Finest PCB Assembly?
reasonable and stable price
all products come out under control.
6. Professional replace-solution: help customers source professional replace-solution to achieve faster, lower cost with high-quality components purchasing agent service.
PCBA Technical Capability | |
1. Assembly Type:: | FR4, FPC, Rigid-flex PCB, Metal base PCB. |
2. Assembly Specification: | Min size L50*W50mm; Max size: L510*460mm |
3. Assembly thickness: | Min thickness: 0.2mm; Max thickness: 3.0mm |
4. Components Specification | |
Components DIP: | 01005Chip/0.35 Pitch BGA |
Minimum device accuracy: | +/-0.04mm |
Minimum footprint distance: | 0.3mm |
5. File format: | BOM list; PCB Gerber file: |
6. Test | |
IQC: | Incoming inspection |
IPQC: | Production inspection; first ICR test |
Visual QC: | Regularly quality inspection |
SPI test : | Automatic solder paste optical inspection |
AOI: | SMD component welding detection, components shortage & component polarity detection |
X-Ravd: | BGA test; QFN and other precision devices hidden PAD device inspection |
Function test: | Test function and performance according to the customer's test procedures and steps |
7. Reworking: | BGA rework equipment |
8. Delivery Time | |
Normal delivery time: | 24 hours( fastest 12 hours quick-turn) |
Small production: | 72 hours( fastest 24 hours quick-turn) |
Medium production: | 5 working days. |
9. Capacity: | SMT assembly 5 million points/day; plug-in & welding 300,000 points/day; 50-100 items/day |
10. Components Service | |
A full set of substitute materials: | Have experience in component procurement sourcing, and management systems, and provide cost-effective services for OEM projects |
Only SMT: | Do SMT and backhand welding according to components PCB boards provided by customers. |
Components purchasing: | Customers provide core components, and we provide component sourcing services. |
PCB Specification: | |||||
PCB layers: | 1-24layers | ||||
PCB materials: | CEM1, CEM3, Rogers, FR-4, High Tg FR-4, Aluminum Base, Halogen Free | ||||
PCB max. board size: | 620*1100mm (Custom) | ||||
PCB certificate: | RoHS Directive-Compliant | ||||
PCB Thickness: | 1.6 ±0.1mm | ||||
Layer Copper Thickness: | 0.5-5oz | ||||
Inner Layer Copper Thickness: | 0.5-4oz | ||||
PCB max. board thickness: | 6.0mm | ||||
Minimum Hole Size: | 0.20mm | ||||
Minimum Line Width/Space: | 3/3mil | ||||
Min. S/M Pitch: | 0.1mm(4mil) | ||||
Plate Thickness and Aperture Ratio : | 30:1 | ||||
Minimum Hole Copper: | 20µm | ||||
Hole Dia. Tolerance(PTH): | ±0.075mm(3mil) | ||||
Hole dia. Tolerance(NPTH): | ±0.05mm (2mil) | ||||
Hole Position Deviation: | ±0.05mm (2mil) | ||||
Outline Tolerance: | ±0.05mm (2mil) | ||||
PCB solder mask: | Black, white, yellow | ||||
PCB surface finished: | HASL Lead-free, Immersion ENIG, Chem Tin, Flash Gold, OSP, Gold finger, Peelable, Immersion Silver | ||||
Legend: | White | ||||
E-test: | 100% AOI, X-ray, Flying probe test. | ||||
Outline: | Rout and Score/V-cut | ||||
Inspection Standard: | IPC-A-610CCLASSII | ||||
Certificates: | UL (E503048),ISO9001/ISO14001/IATF16949 | ||||
Outgoing Reports: | Final Inspection, E-test, Solderability Test, Micro Section, and More |
FAQ
We are based in Guangdong, China, and start from 2019, sell to Domestic Market(50.00%), North America(15.00%), South
America(12.00%),Northern Europe(12.00%),Western Europe(5.00%),Southeast Asia(2.00%),Mid East(2.00%),Eastern Europe(2.00%). There
are a total of about 301-500 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. what can you buy from us?
PCBA, PCB Assembly, PCBA Board, LED PCBA, Electronic PCBA
4. why should you buy from us not from other suppliers?
*A 18-year one-stop solution provider *Strong R&D group with 30 engineers *Monthly output:45000 sqm of PCBs and PCBAs*4500-square-meter factory *Eight SMT production-line *Automatic SMT, Reflow machine, AOI&x-RAY *Fast response, reply within 24hrs
5. what services can we provide?
Accepted Delivery Terms: FOB, CIF, EXW, Express Delivery;
Accepted Payment Currency: USD, EUR, GBP;
Accepted Payment Type: T/T, L/C, MoneyGram, Western Union;
Language Spoken: En