... , 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47, ASME ... equipments from AQSIQ , passed the Authentication of API and became a member of first – grade supply network of State Power Corporation ...