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