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