Address: Dongxing Road,Shengquan Industrial Park Yantai Shandong 264003 China
Telephone: 86 - 0535 - 6895036
Fax: 86 - 0535 - 6908536
Website: www.ytyunsheng.com
About Us
The sucker rod couplings are manufactured from high quality Carbon steel AISI 5I40 or AISI 4135 in accordence with API Spec 11B standard, including class SM coupling, class T coupling and Sub coupling. Full Size coupling and Slim Hole coupling are avaliable.
