- wellhead flange
- 2016-10-25 01:35
- 1) Standard:ANSI, JIS,DIN, BS4504,SABS1123,EN1092-1, UNI, AS2129,GOST-12820,FORGED FLANGE2) Type:Plate,Slip-on,Welding N
- API 6A Christmas Tree Assembly
- 2016-10-22 22:14
- Christmas Tree Christmas tree is a key equipment to control the pressure in wellhead and adjust the flowrate of oil/gas