We are a very professional manufacturer of oil country tubular goods (OCTG) in China.
1. Our main products as follows:
1.1 Manufacturer of casing or tubing couplings as per API 5CT specification latest edition.
Groups 1, 2 and 3, H40/PSL 1, J55/PSL 2, K55/PSL 2, N80(1)/PSL 2, N80(Q)/PSL 2, L80(1)/PSL 2, L80(9Cr)/PSL 1, L80(13Cr)/PSL 2, P110/PSL 2.
Size range covers all designations listed in API specification.
1.2 Manufacturer of casing or tubing pup joints as per API 5CT specification latest edition.
Groups 1, 2 and 3, H40/PSL 1, J55/PSL 2, K55/PSL 2, N80(1)/PSL 2, N80(Q)/PSL 2, L80(1)/PSL 2, L80(9Cr)/PSL 1, L80(13Cr)/PSL 2, P110/PSL 2.
Size range covers all designations listed in API specification.
1.3 Threader of casing or tubing as per API 5CT specification latest edition.
Groups 1, 2 and 3, all grades listed in API specification.
Size range covers all designations listed in API specification.
2. High lights of our products / mill:
2.1 Largest size range in all China mills.
Covering almost all size designations listed in API specification.
1. For tubing coupling, 1.05"-4-1/2"
2. For casing coupling, 4-1/2"-20"
3. For finished tubing, 1.05"-4-1/2"
4. For finished casing, 4-1/2"-20"
2.2 Highest accuracy in thread parameters.
Be capable of controlling the thread parameters as per half API specification tolerance, if customer required.
2.3 More uniform mechanical properties available for EU tubing pup joints.
EU tubing pup joints are manufactured from thick wall mother pipes. No heat treatment zones after external upsetting.
2.4 Special requirement products can be manufactured.
Such as Crossover coupling, integral joint tubing connections, extreme-line casing connections,
TKC connections, and inside anti-corrosion coating tubing are available.
2.5 Strong technical development capabilities.
We are capable to develop premium connection as per customer’s specifications and drawings.
Devoting to be author