Qingdao Hyster Petroleum Equipment Co.,Ltd is a leading manufacturer of Thread Protectors for OCTG according to APISpec5CT/5B/5DP.Protectors are threaded by CNC(computerized numerical control)machine with high precision ,can past all the API required tests, and our experienced techicians team can design and manufacture new moulds to meet customer\'s other premium connection request.

First-class qualityï¼Œsuperior service and excellent brand is always our constant pursuit. We have been working on it and in progress. We are expecting to work side by side with you to create a prospecting future.
Welcome to cooperate with us!