J41H法兰截止阀

J61Y-P54/100V高温截止阀

电站焊接阀J61H-截止阀

JY41W-40P电站焊接阀

JY41W-40P氧气截止阀

J741PPL-16J741PPL-16液压截止阀

J661Y-100气动截止阀J661Y-100 焊接截止阀

J641H-16C气动截止阀J641H-16C

J44F46-16C衬氟直角截止阀J44F46-16C

J41F46衬氟截止阀J41F46 直通式截止阀

J41H-300LB美标铸钢截止阀

J65YY型截止阀J65Y