Product series
J41H-64C J41H-40C北京式锻...
J64F-40P DN50不锈钢氨用焊
J61F-150LBP不锈钢美标液氨
WJ65H-25C/40C直流式焊接波
常州J61H-40C铸钢焊接蒸汽截...
高温高压电站截止阀J61Y-200...
常州J61F-25P不锈钢焊接截止...
WJ65W-40P不锈钢波纹管截止
WJ65W-25P不锈钢直流式波纹