010-63838846

  • 地下井闸阀 BS5163

  • 带标尺弹性闸阀闸阀BS5163

  • 暗杆软密封闸阀(弹性闸阀闸阀)BS5163

  • BDF-DOUBLE FLANGE BUTTERFLY VALVE

  • BE-WAFER TYPE BUTTERFLY VALVE

  • BE-WAFER TYPE BUTTERFLY VALVE

  • BE-WAFER TYPE BUTTERFLY VALVE

  • BL-LUG TYPE BUTTERFLY VALVE

  • BW-FULL PEFE LININGWAFER TYPE BUTTERFLY VALVE

  • BU-FLANGE TYPE BUTTERFLY VALVE

  • BL-LUG TYPE BUTTERFLY VALVE

  • WAFER&LUG TYPE BUTTERFLY VALVE