Shanghai Dahe Grating Board Industrial Co., Ltd. is located at No. 389, Yangnan Road, Baoshan District, Shanghai, adjacent to Baoshan Iron and Steel Factory. The company specializes in the production of Dahe brand steel grating series products, and can provide customers with one-stop services for press welding, deep processing, and hot-dip zinc.

The main products include platform paving walkways, various steel ladders, stair steps, ball joint railings, ditch covers, manhole covers, spot welded mesh, extruded fiberglass grilles, guardrails and fences, etc. The manufacturing of Yamato grating plates is based on the ferrous metallurgy industry standard YB/T 4001-1998 of the People's Republic of China, and meets the requirements of British standard BS4592 Part1:1995, and can meet the requirements of ASTM, DIN, AS and other standards. The company's enterprise standards are twice as accurate as national industry standards.

The company is a grille plate enterprise that has obtained the international certification of ISO9002 quality system, and has also obtained the ISO9002 quality system certification of the Commercial Inspection Bureau. The company relies on the market and takes quality as its life. It has a good after-sales service system and enjoys a good reputation among users. In addition to specializing in the production of Daewo brand steel grating series products, it can also undertake various steel structure engineering design, manufacturing and installation businesses.