All I SY/T5037-2000 GB/T9711.1-1997 the standard and APISpec5L standard products are widely used in the natural gas, petroleum, chemical, electric power, heat, pressure steel pipe water supply and drainage, steam heating, hydroelectric plants, thermal power generation, water and other long-distance transmission pipeline and piling, bridge, steel structure engineering. Company through the production and operation of spiral steel pipe (spiral steel pipe, also known as: SSAW spiral seam welded steel pipe, spiral welded pipe, spiral steel pipe Tianhui, Cangzhou Spiral Steel Pipe, Hebei spiral steel pipe, steel pipe Hebei, Cangzhou City, spiral steel pipe, spiral, spiral wound steel pipe) ISO9001 quality certification obtained national industrial production permit. Hebei Province famous trademark has won consumer trust products, quality, honor double assurance demonstration units Honor to fourteen years in a row, Hebei Province Trustworthy Enterprise Certificate. Growing since the company was founded 2 years the honor society give us the most convincing affirmation, in this era of rapid development, we must endeavor to go to the future, "Ming for the quality and dedication" of corporate anti-needle, eternal "science and technology enterprises, science and technology enterprise" strategy, is committed to play a brand, the development of high quality products for the carrier, inclusive emphasis on innovative ideas and strength, so that we adhere dare into the group enterprise development milestone man first, people-oriented. "Integrity, pragmatism, hard work, progressive" of Tianhui Gong Division's spirit of enterprise, which is Tianhui commitment to every customer: Today, Tianhui steps towards its rapid development pace is committed to quality service. www.hbthgg.com www.thgangguan.com www.naimoguanjian.com www.hbbgc.com www.pvdfgc.com www.naimogd.com www.hbbengguan.com