1. Size: from 2-3/ 8 inch from 4-1/ 2 inch; 2. Ends: NU & EU; 3. Grade: J55, K55, N80, L80, P110; 4. Feature: Nanoscale Titanlum-containing Compound Coated Tubing ( NTCCT) 5. Long running life 6.....
Established in 2005, Shandong Dongbao Steel Pipes Co., Ltd is the branch company of Shandong Dongbao Group, locating at the East City Industrial Garden, Shouguang City, where is the beautiful and....
1. Size: from 2-3/ 8 inch from 4-1/ 2 inch; 2. Ends: NU & EU; 3. Grade: J55, K55, N80, L80, P110; 4. Specification: API Spec 5 CT;