... Copper Hard Gold Blue Soldermask We supply PCBs for DDI with high quality and competitive price 1. 2-layer TG140 PCB ... than 500 professional employees,monthly capability is 20,000sqm,5000types.*Advantages: 1. With 15 years experience in PCB industry, we can manufacture ... ,ISO14000, TS16949, ROHS,UL and SGS. All products strictly comply with IPC class 2,and can meet you Class3.Please send ...