All the Spiral Welded Carbon steel pipes are Porduced according to Standard SY/ T5037-2000, We have got the Quality System Certificate ISO9001: 2000.
Sino-American Joint-venture Nantong Hengte Tube Co., Ltd. lies in Jiangsu Haian Economic Development Zone, covering an area of 34, 000 square meters and the assets reaches RMB 1.2 hundred million .....
Take advantage of high quality raw material and advanced machine to produce rectangular tube to the standards GB6728-86 ASTM A500and some other standards.The product accords with national standard....
We are specialized in the fabrication of high-frequency square tube, with a combination of rolling, setting, cold rolling and welding.Good quality strip steel and advanced equipment are used to....
Seamless tubes Seamless tubes Seamless tubes Seamless tubes Seamless tubes
We have many production lines and can produce BS1387-1985 ASTM A-53 GB/ T3091-2001 and so on with complete specifications.Our products are widely used in auto shipping building decoration, ....
The product is formed with high quality welded tube and advanced galvanization technology and equipment, The galvanization layer is equally galvanized and smooth finished.Both inside and outside....