1. Main Technical Parameters: 2. Product Description: Die collar is a special external fishing tool which is engaged on the outside wall of tubing objects such as oil tubing and drill pipe. It can be used in fishing cylindrical objects without inner bore or stucked inner bore. ...

Dongyng Lake Petroleum Technology Co.,Ltd    [Mechanical Parts & Fabrication Services]   [Other Mechanical Parts]   [2019-06-27 08:54:16 ]