Linyi Aosen Chemical Co.,Ltd had passed "ISO9001: 2008" international quality management system certification. Our company is a "production, research, trade" all-around enterprise. Company was founded in 1999 and specialized in manufacturing chemical raw materials,for example titanium dioxide, zinc oxide, lithopone, chrome oxide,and the factory also produce Nano titanium dioxide and Nano zinc oxide, etc. Our company is located in the largest chemical production base "Linyi" of South Shandong, mainly produces chemical products those widely used in coatings, paints, plastics, paper, printing, rubber, glass and water treatment industries. "Develop the market by quality, win the praise by credit" is our company's development objective and we pursue excellence, strive to build a firs..