- Oil Drilling Rig and Rig Components
- 2016-11-06 12:31
- Shengqing Product CatalogueShengqing Petroleum Equipment Co., Ltd. Specializes in oilfield equipment. Located in Dongyin
- Sucker Rod Coupling
- 2016-10-25 13:52
- Class T and Class SM coupling for sucker rods are manufactured as per API Specification 11B. For the thread cutting, the