OSD is established in 1999, headquartered in Ceramic Industrial Park, Yixing City, Jiangsu, China, which covers an area of 73, 000 square meters.

OSD is a leading coated steel products supplier(famous for epoxy coated rebar), specialized in the metal surface treatment, committed to providing corrosion protection solutions for concrete constructions. So far, OSD coated steel products have been widely applied in China high-speed railway constructions, including more than 20 national projects, 54 cities, 20000 km transportation lines, serving more than 2/3 of the Chinese population.

OSD is "Famous Trademark in Wuxi, National level High-tech Enterprise, AAA Credit Enterprise", insists on scientific and technological innovation. OSD is the project support organization of "Wuxi Metal Coating New Materials Engineering Technology Research Center", which belongs to the national key high-tech field. At present, OSD owns 1 authorized invention patent, 5 utility model patents and carried out 9 R&D projects in the last three years, gained 2 technical know-how, 2 high-tech products. Besides, OSD cooperated with the Chinese Academy of Sciences Metal research Institute and University of Science and Technology Beijing, has a professional research team, including 6 senior engineers and 1 master degree candidate.

The representative product "Epoxy coated rebar" was awarded "New high-tech product", and has been applied in many key national projects, won the "National Ministry of Science and Technology Innovation Fund".

Benefit by the unique geographical advantage, OSD has strong marketing network and perfect after-sales service elite system, overseas business has also been extended in many countries around the world.

OSD insists on "Sincerity" as operation principle, seeking common develop with all partners together.