YCF is a world leader in the manufacture of printed circuit board.
Beijing Yichangfa Electronic Co,Ltd, was founded in 1995, which has developed into the largest eclectronic manafacture service (ems) of circuit board.
Our company located in Beijing City, the capital of China, covers a total of 4,000 square meters and there are more than 120 employees in Beijing. The main business is assembly. There are SMT and Solder production line in our workhouse. There are good machine for reflow soldering, wave soldering, and SMT. Good news for customers. We import a new machine from JAPAN. The brand of this machine is JUKE. This will improve our capacity consumedly. And our workers are rich of experience in operating. So we enjoy good reputation in this marketing.
We have a factory in Guangzhou, which cover 15,000 ㎡ and 1000 workers in the workhouse. The main business is manufacture printed circuit board (PCB). The production capacity is more than 45,000㎡ per year. Regarding to the quality, we through the international UL safety standard , ROHS and passed ISO 9001:2001 authentication. At present, our key clients are in China, Japan, Europe, America, Australia, Russia, and throughout Asia. Welcome to visit China and our company.
At present, our key clients are in China, Japan, Europe, America, Australia, Russia, and throughout Asia. Welcome to visit China and our company.
Our main products are high quality PC board, double-sided board, and multilayer PC board, aluminum PCB, flexible PCB, high frequency PCB etc. Usually used on computer mother board, medical equipment, MP3, MP4, radar, electronic high-tech toys, precision instrument etc.
Clients need comes first. We have good reputation in this industry. If you are in a project now, please feel free to discuss your require with us. Our professional engineers will service you. And we believe our high technical equipment and strict with quality control will meet you.
Yichangfa Electronic Company is your ideal choice which provides you excellent print circuit board.
Production technology of PCB
HS code 85340010
Material FR-4, CEM-3,PTEE Teflon
Outer size Maximum 457mmx610mm
Thickness 0.016??0.125? (0.4?3.2mm, 1.0mm, 1.2mm,1.6mm, 2.0mm are normal ones)
Layers 2?12 (2,4,6,8 are normal) and 1?6 layers for flexible board
Line width ≥6mil 0.15mm)
Line distance ≥6mil 0.15mm)
Minimum drill 0.25mm
Copper thickness 18mil, 36mil, 72mil
Copper thickness of hole 0.6mil---2mil
Legend thickness ≥0.15mm (6mil)
Tin thickness 0.04mil---1.2mil
Moulding type milling machine, punch, cut out, V-cut bevel edge
Surface technics spurt tin, gilt, plating nickel, spurt rosin, resist oxidation (OSP), HAI
Surface coat black, green, brown, red, yellow
Solder mask UV, photoresist
aspect ratio 6:1
Surface evenness 1%
inspection Flying probe tester
inspection International UL safety standard, UL number: E216635
Tolerance ?0.0127mm (5mil)
ROHS All PCBs meet ROHS directive