The tubing pup joint conforms to API Specification 5CT, 5B and other related standards, Having been anthorized to use the API monogram.
All sizes of NUE&EUE tubing pup joint are available in grade J, N, L, which all of them conform to API latest specification.
1. The thread is cut by the special-purpose numerical control lathe. The special process could ensure the high precision of the thread with better reliability and life-span.
2. Coupling phosphor or copper coated to achieve good wearing-resistance ability and antithread gluing ability.
Established in 2006, HENAN ZYZJ PUMP EQUIPMENT CO., LTD. is a professional company specialized in research and development, manufacturing and sales of special petroleum equipment such as Pumping unit, oil well pump and wellhead device and petroleum machinery products such as underground and ground tools.