Product series
J41H-64C/40C/25C/16C高压蒸...
J44Y-250R/J44Y-320R高压角
J11F-16C/25C/40C铸钢四氟密...
J21B-25P不锈钢氨用针形截止
高温高压电站截止阀J61Y-200...
常州J61F-25P不锈钢焊接截止...
J41W-25T DN150青铜法兰截止
WJ641H-16C/25C/40C德标气动...
铬钼钢气动高温截止阀J641Y-...