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