FGT think your best choice in the future
System Integration Designers in FGT

牙口
牙口種類:NPT(美規管用錐形螺紋牙口)|PT(公制管用錐形螺紋牙口)|PF(公制管用平行螺紋牙口)
FGT think your best choice in the future
System Integration Designers in FGT
牙口種類:NPT(美規管用錐形螺紋牙口)|PT(公制管用錐形螺紋牙口)|PF(公制管用平行螺紋牙口)