Copper Plating Services: We produce tens of thousands of special couplings annually.
Oilfield Connection Oil Pipe Reducers: 35CrMo.
We can process various types of oil pipe couplings:
Specifications: 1.941/2
Thread Types: EUE (thickened), NUE (not thickened).

Short Drill Pipe Conversion Joints: Oilfield connection oil pipe reducers 35CrMo, with specifications of 1.941/2 and various thread types.
Variable Coupling Conversion Joints: Double male (PIN X PIN), one male and one female (PIN X BOX).

Casing Couplings:
Specifications: 41/2 to 20 inches.
Thread Types: STC (Short Round Coupling), LTC (Long Round Coupling), BTC (Buttress Coupling).
We can also customize various couplings and joints according to drawings.

Standards: API5CT, API5L, API5B.

Oil Pipe Specifications: 23/8” to 41/2”, with end processing types NUE and EUE.
We can also process various sizes of oil casing short joints, double male short joints, reducer short joints, and co