... :Steel tooth(IADC code)111, 121, 131117, 124, 126, 127, 136, 137211, 311216, 217, 227TCI(IADC code)415, 435, 417, 437515 ...
- China
- ADD:Room 607-612, Gate 1, Block 3, Qishui Yuan, Zhongjia Garden, Hongqiao District, Tianjin, P.R.China, Postal Code: 300131,Tianjin,Tianjin
- TEL:86-22-26590905