OCTG
Tootest
Drilling of oil and gas wells and transportation of oil and gas, main products include casing， tubing， drill pipe, drill collar, heavy weight drill pipe, slotted pipe, line pipe, coupling, and pup joint.
- No.9 Xiangfu Rd, Yuhua District, Hunan, Changsha, China
- Changsha, Hunan, 410001
- Hiina
- Tel.:+86 18774067534
- Faks: ---.---.-----
- Url:https://www.hnssd.com/