- API Spec7-1 Oil well Drill collar
- 2016-09-25 11:21
- The Drill collar for oil well drilling are manufactured strictly comforming with API Spec7-1. 4 major types: Slick drill
- API SPEC 7 Stabilizer forging
- 2016-09-25 11:21
- Quick Details Place of Origin: Shaanxi, China (Mainland). Brand Name: Senwell .Type: Stabilizer. Machine Type: Drilling
- API seamless line pipes
- 2016-09-25 11:21
- Quick Details Standard: API, ASTM, API 5CT, API 5L, ASTM A106-2006, ASTM A53-2007,.API Grade: API J55-API P110, API J55,
- nc 38-50,5'',API Sucker Rod
- 2016-09-25 11:20
- Quick Details 1.Place of Origin: Shaanxi, China (Mainland) 2.Brand Name: Senwell 3.Type: Rod 4.Machine Type: Drilling Eq