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Shandong Dongbao Steel Pipe Co.,Ltd
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About Us
DongBao Group Established in 2001, Shandong Dongbao Steel Pipe Co., Ltd. is located in Shandong Province. We are a private owned enterprise.
We occupy an area of 210,000 square meters, with 80,000-square-meter building area. Our company has 398 staff member, among who are 150 engineering technicians and 50 senior engineers. We have various types of equipment, which has large size and sophisticated techniques. Moreover, we have shown outstanding technical superiority in the manufacturing and ...
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oil casing pipe 1)Size:OD:4 1/2~13-3/8 2)Grades:N80,J55,K55,L80,P110 ...
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Oil tubing with API 5CT& 5B 1) OD: 2-3/8~4-1/2 2) Grade: J55,K55, N80, L80, ...
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API oil casing pipe Coupling 1OD: from 4 1/2"-13-3/8" 2.Grades:J55, K55, N80, ...
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Oil tubing with API 5CT& 5B 1) OD: 2-3/8~4-1/2 2) Grade: J55,K55, N80, L80, ...
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API 5CT oil casing pipe
1)Size:OD:4 1/2~13-3/8
2)Grades:N80,J55,K55 ...
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API oil tubing pipe coupling
Coupling for oil tubing
coupling ...
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tubing pup joint:(eu and nu)
1.grade:j55 n80 l80 p110
2. size:1.9" 2-3/8" ...
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Anti-Corrosion pipe
1)Size:OD:2-3/8"~ 4-1/2"
2)Grades:N80,J55,K55 ...
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