Haicheng Northern
API ERW Tubing
ERW Tubing
Size: 2-7/
Grade: J-55
Length range: 1, 2 or 3
Type of end finish: EUE, NUE
Standard: API 5CT
We now have a total annual production capacity of steel pipe 150,000 tons and anti-corrosion pipe 4.5 million square meters.