OSD is a leading steel coating product supplier in China, and focused on study of surface treatment of metal material. OSD is the supporting unit of “Wuxi metal coating new material engineering technical study center” and mainly engaged in studying the epoxy coating technique. Through cooperation with metal research institution, OSD takes the first in developing a brand-new SEBF/SLF heavy-corrosive protection technology, thus the key performances influencing on the coating quality, such as its binding force, mechanical strength and penetration resistance, are improved to a new level.

The “insulated anti-corrosive steel bar for ballastless track of high speed railway” independently innovated by OSD is rated as “high-tech product”, and has been widely applied to every high-speed rail construction in China, and awarded with “innovation fund reward” of Ministry of Science and Technology.