Welcome to the official website of Tieling Dongsheng Petroleum Machinery Co., Ltd.
Spray welding hoop
The sucker rod couplings produced by our company include T grade (integral quenching) and SM grade (metal spray welding).
Connect a sucker rod and/or a short rod, and/or a weight rod with a sucker rod thread.
The product complies with the API 11B standard and can also be designed and processed according to customer requirements.