Company Establish:brIn 1997> Sanlihang was established and began to operate coated abrasives.br fine production:brKingdom Abrasives and the College of Polymer of Sichuan University jointly set up the research and development center of polymer materials> with 188 national patents including 51 invention patents. In 2015, the self-developed polyester film sandpaper was successfully marketed and its quality and production technology reached the international advanced level.,brKingdom abrasive has been committed to the independent research and development of products> to provide customers with high quality coated abrasive products for the mission.br including 10 engineers 30 senior technicians, 3 doctors and postdocs and 10 masters.,brWe have the international advanced level of polyester film sandpaper invention patents and production base> several sandpaper production lines are under construction. brLoop sandpaperFlat dics 250 million pieces,flap wheel with shaft 20 million pieces.