Hengyang Hongda Special Steel Tube Co., Ltd, an enterprise participated by Hengyang Steel Tube (Group) Co., Ltd, and the only manufacturer which match with Hengyang Valin(Group) producing seamless pipes of extreme large diameter that exceed Ø 356mm, is established in August 2006, locates in Hengyang City in the south of Hengshan Mountain— — Unique one of China's five great mountains, this predominant geological location is very convenient for transportation.

Our company has six sets of hot-expanding production unit, hydraulic straightener, 12-channel ultrasonic flaw detector, high-speed band sawing machine, 1000 tons hydraulic pressure tester etc. The main products include structural pipe, fluid transportation pipe, line pipe, casing and tubing, coupling, tube for gas cylinder and boiler tube with the size of OD Ø 355mm~Ø 720mm, WT 6mm~40mm, Len 6m~14m. The greatest asset of our products is large diameter, thin wall thickness and long length.

Now both the perfect, effective, standard operational quality assurance system and the quality policy of Quality First, Customer Highest, Continually Improvement, product quality is stable and reliable. Our products have been sold to Europe, American, Southeast Asia, Middle East, Australia, Africa etc. And we also get the manufacture license of special equipment issued by AQSIO, the certificate of API 5L, API 5CT and ISO9001.

Sincerely thanks to your attention and support. We are adhering to the business philosophy of integrity bases, mutual benefits and really expecting to cooperate with you for a better future.