- API annular ram bop
- 2016-10-30 22:38
- API annular ram bop is designed so that hydraulic pressure opens and closes the rams and provides themeans for quick ram
- hex forged bolt and nut
- 2016-10-24 12:33
- hex forged bolt and nutThe screw head and ( with the outer screw thread cylinder ) is composed of two parts of a class o
- API High pressure plug valve
- 2016-10-23 10:35
- High API High pressure plug valvePlug valve is a necessary part that is applied to high pressure manifold in well cement