Tianjin Sanfeng Steel Pipe Co., Ltd. is located in the largest production base for steel pipes in China - Jinghai Tianjin which has accumulated nearly 30 years experience in steel pipe industry. We are a professional manufacturer and exporter for SSAW (Spirally Submerged Arc Welding) steel pipes, as per standards of API 5L, GB/T 9711.1-1997, SY/T5037-2000, with ISO9001:2000 approval. We are equipped with continuous X-ray inspection, ultrasonic flaw detection and hydrostatic pressure test during production.
Our spiral welded pipes are widely used in petroleum pipelines, natural gas pipelines, coal gas pipelines, water supply pipelines, drainage water pipelines, heat supply network pipelines, industrial pipeline networks, pressurized air pipelines, common gas pipelines, chemicals and refineries, construction foundation piles, steel structure buildings, bridges, seaport, dock and other special purpose applications.
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