Hebei Shengtian Pipe Fitting Group Co.,Ltd has estalished serious quality control system. It adopts a 3--tiered inspection system and the one-vote-down system for products quality, realizing a confirmity rate of 100% in ex-factory inspection.
Hebei Shengtian Pipe Fitting Group Co.,Ltd has estalished serious quality control system. It adopts a 3--tiered inspection system and the one-vote-down system for products quality, realizing a confirmity rate of 100% in ex-factory inspection.