China Shaanxi Welong Petroleum Equipment Co, Ltd

Hearth roll Material: Cr*8Ni9, Cr*5Ni*2, Cr*0Ni*0, ZGCr*5Ni*0; ZGCr*5Ni*5Nb;ZGCr*8Ni*8W5, nicochrome or cus

Hearth roll Material: Cr*8Ni9, Cr*5Ni*2, Cr*0Ni*0, ZGCr*5Ni*0; ZGCr*5Ni*5Nb;ZGCr*8Ni*8W5, nicochrome or cus

Rollers Material:***5 NiCr + AISI **1 + AISI **0 1) Materials: HK, HH, HF, HX, **4, **4L, **6, **6L, 1.***9

Investment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any grade

Our capacity for roll and tubes as below: 1) Materials: HK, HH, HF, HX, **4, **4L, **6, **6L, 1.***9, 2.***

Drill Collar 1. Size: as customer&#*9;s request 2. Standard: API 9. Certification: ISO***1, API Pr

Drillpipeisamajordrillcomponentwhichconnectsrotarysystem, hoistingsystem, circulationsystemwithdrillcollar&nb.

Investment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any grade

Investment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any grade

Investment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any g

Investment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any g

Forging 1) Processes: Close Die forging, Open die forging 2) Materials: *5# steel, *0Cr, *2CrMo, L6 or acc

Forging: We can provide forged ring, open-die forging, forged shaft, forged bush, forged shape, drop forging,

Casting Process: 1.investment casting: 2.lost wax casting; a, Sodium silicate binder process,

Casting Process: 1.investment casting: 2.lost wax casting; a, Sodium silicate binder process,

Oil Field Equipment Drill Stabilizer/Drill Centralizer API standard oilfield stabilizers are manufactured f

F seriesMud Pump F series mud pump is applicable to the requirement of high pump pressure in oil field and