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Product Description

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.
Finest Printed Circuit Board Ltd offers One-stop electronic component sourcing at a cost-effective price. As a one-stop OEM PCB and PCBA manufacturer, we are committed to delivering high-quality, reliable, and cost-effective solutions. With our array of services, including PCB manufacturing, electronic component sourcing, and PCB assembly, we aim to be your trusted partner for all your PCB-related needs.
We understand the importance of sourcing reliable electronic components for efficient PCB assembly. As an experienced manufacturer, we have built strong relationships with trusted suppliers and distributors worldwide. Leveraging our vast network, we can source a wide range of electronic components, including active components such as microcontrollers, ICs, and passive components like resistors, capacitors, and connectors. We ensure that the components we source are genuine, meeting stringent quality standards.
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 get
reasonable and stable price 5. Quality assurance: more than 15 years of experience in the engineering team and quality control team to ensure
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 1. who are we?
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: English, French