1. Size: from 2-3/ 8 inch from 5-1/ 2 inch; 2. Ends: IU, EU, IEU; 3. Grade: E, X, G, S; 4. Specification: API Spec 5D;
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. Feature: High anti-corrosion character; 5: Specification: API Spec 5CT.
1. Size: from 4-1/ 2 inch from 13-3/ 8 inch; 2. Ends: STC, LTC, BTC; 3. Grade: J55, K55, N80, L80, P110; 4. Specification: API Spec 5 CT.
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.....
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;