Manufactured according to ISO10423/API-6A,ASME B16.5 PSL-2,PR-1,DD, L-U (1) OEM and custom-made service. (2) Full machining, primer painting, and surface treatment. (3) Full material testing process. (4)Machinery properties and Chemical components testing after raw casting (5) Hardness checking after heat treatment (6) Dimensions testing after machining (7) Quality and production control checks though all the following flow:
Drawings→ mould making →raw casting → sandblasting →rough machining or finish machining →surface treatment →product check→ packing →delivery strict
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.