MISI
China
CHINA
| M-I Tubulars (Beijing) Co., Ltd. | Beijing |
| Pancheng Yihong Pipe Co., Ltd. (PYP) | Sichuan Sheng |
| Bohai NKK Drill Pipe Co., Ltd. (BHNK) | Hebei |
| Julong Steel Pipe Co., Ltd. | Hebel |
| M-I Tubulars (Beijing) Co., Ltd. | Beijing |
| Pancheng Yihong Pipe Co., Ltd. (PYP) | Sichuan Sheng |
| Bohai NKK Drill Pipe Co., Ltd. (BHNK) | Hebei |
| Julong Steel Pipe Co., Ltd. | Hebel |