常熟Half nipple
常熟Nipple
常熟Long nipple
常熟Half thread long nipple
常熟Hexagon nipple
常熟Hexagon F/M nipple
常熟Hexagon reducer nipple
常熟Hose nipple L-type
常熟Hose connector whj
常熟Hose connector WHS
常熟Hose joint WRH for welding
常熟Round water pipe joint wrhn
