TBS, top board source, as a China leading PCB manufacture, established in 2001, mainly dealing with 2-20 layers PCB, TBS has established itself not only a manufacture of big volume of PCBs, but also as a manufacture of world competitive, high tolerance, high quality, small to medium volume production quantities, Our monthly output is 30, 000 square meter. We handle surface finishing by OSP, HAL, hot air leveling, gold and nickel plating, immersion gold, Entek and outline by CNC drilling, CNC routing, punching, V-cut.