Desc:oilwell 35Mpa BTC double plug cementing headCementing head:A device fitted to the top joint of a casing string to hold a cement plug before it is pump...
Desc:Since 1988, it has provided the indicator diagram load sensor, drilling-log special sensor, salvagepanel meter and drawwork sendor for oilfields; Sunm...
Desc:2.5" mechanical seals, shaft sleeves and packings for 250 series centrifugal pumps in stock in Shangahi China and Texas USA!!!3.5" mechanical seals, s...
Desc:2.5" mechanical seals, shaft sleeves and packings for 250 series centrifugal pumps in stock in Shangahi China and Texas USA!!!3.5" mechanical seals, s...
