Tianjin Feilong Tube-making plant Co., Ltd, one of honest enterprises in China and one of most famous enterprises in Tianjin, is a main factory of Dagang district, Tianjin. The enterprise was founded in 1995 and has over 1000 employees in which 36 technical specialists and 8 of them have got high title. The factory covers an area of 40 hectares, with a construction area of 50,000 square meters. The asset of the factory is 140 million yuan. Now the factory has 16 high-frequency welded tube producing line, 3 hot-dipped galvanizing line, 12 tube expanding line and advanced inspectional facilities. It is a synthetical tube making factory contains slitting shear, board-rolling, tube-welding, tube-expanding, and galvanizing. The annual production is: 600,000 tons of Φ20mm—Φ426mm welded tube, 160,000 tons of hot-dipped galvanized tube and 120,000 tons of cold-rolled steel plate. Tubes of the factory’s brand “Niutou” have been sold all over China and exported to dozens of countries such as USA, Canada, Australia, Great Britain, Germany, Belgium, Italy and countries in Asia, Africa, South America and so on. In 2008 the company exported 50,000 tons of welded tubes and get 30 million US Dollars. The factory has established long term business cooperation with dozens of steel and zinc companies. In order to upgrade the quality of products to meet international market, the company have got ISO 9001 international quality system certificate in 2001, import and export permission in 2002, CE certificate in 2006 and API 5L, API 5CT certificate in 2009. The company insists on strict management and scope expanding, keep improving the quality on products, keep market-oriented, keep the principle of win-win cooperation, keep the aim of providing supreme quality of products, the best service, the most complete specification, and the most preferential price to customers, make them "come with happiness, leave with satisfaction."