Taian yilida chemical co., LTD., founded in 2003, is a key growth Tai'an City enterprise innovative pilot enterprises; Employees more than 30 people, engineering technical personnel nine people, mainly engaged in the chromic salt and vitamin K3 series product research and development and production and operation. Chromium salt products are sodium dichromate, chromic anhydride, chrome powder, chrome oxide green, etc., the company products are widely used in the United States general motors, Volkswagen, Toyota, avic chengdu group, sany heavy industry, and other enterprises.