Tianjin shuangjie steel pipe co., Ltd., built in 1978, after years of development, has evolved into the existing number of employees more than 700 employees, the technical staff of 90 people, with a team of 30-welding production experience of science and technology.
located in the Beichen District of Tianjin, adjacent to Beichen economic development area, away from Tianjin Xingang port 50 kilometers special railway pass through the factory, covering an area of more than 270,000 square meters. since 1978 built factory yilai, through introduced advanced equipment, relies on technology progress, strengthened quality management, has development became has φ 45, and φ 60, and φ 114, and φ 325, and φ 6,305 article HF pipe line; 3 article longitudinal cut line; 3 article hot dip plated zinc tube line; a article within coated plastic epoxy composite water pipe line; years production maximum capacity for 700,000 tons.

φ 630 FFX which has the international advanced level of high-frequency straight seam welded pipe production line, equipped with advanced equipment and technology, measurement technology and Automation control technology.

company according to ISO, API, ASTM, JIS, BS, EN, DIN, GB etc standards producing ERW plain pipe in different varieties and specifications, special casing for oil and gas pipeline, an oil and zinc-plated steel tube. are widely used in petroleum, natural gas, pressurized pipelines, such as water, gas and oil, as well as energy, irrigation, transportation, chemical industry, machinery, construction and other fields.

high frequency welded pipe, as the company's leading product, always insist on quality first, the prestige first, the years not only in Tianjin's brand-name products, domestic products, welded pipe products are widely used in the country's key projects, but also exported to United States, and Canada, the Gulf countries, Australia, Hong Kong and more than 20 countries and regions, became one of the welded steel tubes of the main export enterprises in China.

company from manufacturing to services has been established, strict quality assurance system that meets international standards and quality control system, by pressure pipeline manufacture license of the company and the European quality system certification, CE certification, ISO 9,000 and API 5L API 5CT. in pipe manufacturing industry relies on 30 years of experience and product quality, and create world-class products, become the most competitive in pipe manufacturing industry in the 21st century of the modern enterprise.