We work extensively with many of the world’s leading solar tracker and frame manufacturers to help them enrich their size range and reduce logistics costs. By working with us, suppliers can optimize their price products and delivery schedules to ensure competitive advantages.

The material is made of American standard wide-flange H-beam with the size standard of ASTM A6. The steel grade can be selected between ASTM A572 GR50 /GR60, ASTM A992 or Q355. The hot-dip galvanizing meets ASTM A123, ISO1461 and AS/NZS4680 standards. Of course, we are also happy to meet other quality standards and different HDG coating thickness for our customers, as it is our tradition to quickly respond to customer needs and act immediately. The company’s long-term inventory of the common specifications of the WF beams 2000 tons, to meet the customer’s fastest delivery requirements.

We cherish our customers’ projects as we cherish our own products. We work with our customers from the start of the project, better packaging and loading solutions; more flexible delivery schedules and third-party inspections will all receive the same attention here. Even after the project is completed, our global customers can still rely on our after-sale service to ensure that the product will be used effectively in the long period.

 Company Profile:

Tianjin Rainbow Steel Group was founded in 2000, Located in Tianjin City. With development of past 20 years, Rainbow Steel has became into an integrated iron and steel enterprise of galvanized steel pipe, galvanized steel angle bar, galvanized profiles, galvanized steel structures for Infrastructure Construction, Building Industry, Agriculture and New Energy area. We are also the biggest electrical transmission steel tower manufacturer in North of China. Rainbow Steel Group has several subsidiaries which including steel processing lines, steel cutting, welding and stamping workshop, galvanizing mill and huge storage house.Our team has manufacturing technologies, processing experiences, engineering capabilities and advanced equipment. Our people are intelligent and hardworking. Our main exporting products are galvanized steel pipes, jobs of steel structures or frame works, galvanized iron angle bar, flat bar, iron channels and beams, steel profiles and all other steel jobs which will need further processing.With the global trending situation development, Rainbow steel is committed to develop innovative technologies and excellent service to meet the growing solar energy needs. Our team has over 10 years’ experience and successful cases at solar mounting (solar bracket) business. Our products have obtained the certificate of TUV, CE,ISO 9001-2008 and so on. Laser cutting,welding and stamping workshops are available for normal and customized goods.

equipped with machinery such as lathes, mills, surface and cylindrical grinders, CNC wirecuts, CNC spark erosion and EDM drill