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. TBS is an ISO and UL approved enterprise, our quality management level achieves the international standard. Our objective and organization goal is to provide quality engineering, management and customer services, With the support of our powerful factory with around 500 workers, and Based on 9 years of development and manufacturing experience, TBS maintains the fundamental goals of continuously improving product quality as well as shortening production cycles.