Hebei Kaimalai Pipeline Co., Ltd. (with a total investment of 330 million) has a registered capital of 83.5 million. Established in 2009, the company has obtained ISO 9001, 14001, and 18001 certifications, as well as Special Equipment Manufacturing Licenses (A and B certificates). It has passed type testing and can produce inspection reports. Compliance standards include GB/T 9711-2017, PSL1/PSL2, GB/T 3091-2017, GB/T 5037-2017, A671 CC60 CL22, and ASTM A691M.
Large caliber double-sided submerged arc welded straight seam steel pipe
Large caliber straight seam steel pipe, specification 914 * 12.7, material L245N, execution standard: GB/T9711-2023 PSL2
Large caliber double-sided submerged arc welded straight seam steel pipe
Large caliber straight seam steel pipe, specification 1422 * 22.2, material L245N, double straight seam, execution standard: GB/T9711-2023 PSL2
Large caliber double-sided submerged arc welded straight seam steel pipe
Large caliber straight seam steel pipe, specification 813 * 10, material L245N, complying with standard GB/T9711-2023 PSL2, with a large stock of DN450-DN1422, complete specifications.
Large caliber double-sided submerged arc welded straight seam steel pipe
Large caliber straight seam steel pipe, specification 3620 * 26, material L245, execution standard: GB/T9711-2023 PSL1