Cold Formed Square and Rectangular Hollow Sections/Welded Steel Tubes

Jiangyin Jianhe Steel Co., Ltd.. founded in 1998, is specialized in manufacturing square, rectangular, circular hollow sections and steel structures. We are located in Jiangsu Province, 2 hours from Shanghai by car.
Customers choose and trust us not only because of our stable quality but also the service along with our products.
The quality is achieved by strict inspection including pre-production inspection, in-production inspection and post-production inspection.
The service is achieved by over 300 staff who are dedicated in this company with their steel industry knowledge and experience. Their dedication and profession guarantee the delivery time and the after-sales service of the products.
Sizes we can produce:
50x50mm-1000x1000mm for square hollow sections
Thickness: 3mm-50mm
50x30mm-1000x800mm for rectangular hollow sections
Thickness: 3mm-50mm
42.4mm-1524mm for circular hollow sections
Thickness: 3mm-50mm
 
Steel grade and standard provided by us:
EN10219 & EN10210: S235JRH, S235J0H, S235J2H, S355JRH, S355J0H, S355J2H, S355NH
ASTM A500: Grade A&B&C
JISG3466: STK400, STK490
JISG3444: STK400, STK490, STK500
 
Certificate we have:
CE certificate
ISO9001
ISO18001
EN1090
As for the steel structures, we are specialized in the design and fabrication of steel structure. We can provide customer one stop service, from design to erection of the steel structure.
Also we can fabricate structures according to the customers' drawings, such as columns, purlings, girders, etc.
We produce a complete set of products of the steel products, including all kinds of sections, beams, profiles and other building materials.
We have more than 45, 000 sqm of fabrication workshops, with facilities of flame cutting machine, sub-merged arc welding machine, production line of high frequency welded H beams, production line of high frequency welded square/rectangular hollow sections, etc.
manufacturer of H-section steel(including high frequency welding thin wall H-section steel for structure), U-section steel(webbing U rib steel for bridge structure), cold rolled section steel including heat treatment for structural, solar photovoltaic stands