Shaanxi Tefico Petroleum Mechanical & Electric New Technology Co.,Ltd
hydraulic rotary table, horizontal rotary table, vertical rotary table, oil rig parts, oil drilling company, Manufacturer and Supplier - China
Series travelling blocks conform to API Spec 8A, and are granted the right to use API monogram.
Conforms to industry standard SY/T5527.
1 Special structure in main body with good hydraulic buffer function.
2 The main hook is equipped with double... - Update: 2011-12-15