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Stabilizer

Material: AISI 4145H, AISI 4145H

Drill Pipe

Standard: API 5D Specification: OD: 2

2 sets of F-1300 Triple.. 2 sets of Hydraulic ser.. Drill pipe 3 1/2" ..

Quality first, To keep mak..
Welong has established a complete and reliable quality system in compliance with ISO9001..
Participate in the 15th Anniversary Kazakhstan Int..