Shenzhen Professional PCB Circuit Board Manufacturing OEM Factory

Finest Group was established in April 2003, focusing on PCB board manufacturing, SMT processing, and components support services.FINEST PCB Assemble Ltd is a subsidiary of FINEST Group. It was established on April 2019, specializing in EMS Processing, SMT quick-turn prototype, and small batch production. Finest PCBA team with the ability to select materials, make samples and small batch production, and donging testing services. We always improve research and development efficiency, aiming at providing fast service to satisfy customers' different demands for PCB assembly.The SMT factory is located in Fuyong, Shenzhen, with a plant area of 2500m'and8 SMT production lines. Equipped with new imported Hanwha 471, 481, 482, automatic solder paste printers, ten-temperature zone reflow soldering, wave soldering, and other high-tech equipment. Besides, factories also have advanced. AOI, X-RAY, SPI, intelligent first article tester, BGA rework station, etc. Factories develop the newest technology and invest in the best equipment to improve our production ability and focus on R&D, prototyping, small batch SMT assembly, and other services.We have a series of resistors and capacitors and common inductances, magnetic beads. connectors, crystal oscillators, and diode triodes, and provide full BOM component supporting services for research and development.FINEST PCB factory is located in Humen, Dongguan. We are a high-tech enterprise, with first-class processing equipment, that focuses on single-side, double-sided, and multi-layer PCB manufacturing. One-stop PCB and PCB assembly, components, SMT & EMS services, with fast delivery time, good quality, and best communication support.Trade show exhibition  Why choose Finest PCB Assembly? 1. More than 19 years experience of in electronic manufacturing services for PCB making. 2. One-stop service | PCB Manufacturing | Components sourcing and PCB assembly one-stop PCBA service to help you easily achieve your electronic products. 3. More than 1000 customers working with us for telecom, IOT, RF, smart control, security, medical, industrial, automotive, 3G / 4G / 5G products. 4. Reasonable and stable price: have established a strong global electronics components supply chain that helps us getreasonable and stable price 5. Quality assurance: more than 15 years of experience in the engineering team and quality control team to ensureall 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