Weihai Pearl Silica Gel Co., Ltd is the largest manufacturer of silica gel in Asia, the annual output ot silica gel reaches 35,000 tons. The company has two branches, branch1 is situated in the north of Qingshan Road; branch2 is situated at the middle of Changqing Road(inside the Taixing industry Park),Rushan City, Shandong Province, China. To the north is the Rushan railway station, the south gate of the company leads to the Qingdao-Weihai highway, it is only 100km away from Qingdao port, Yantai port and Weihai port, so the communication is very convenient. Covering an area of 13.4 hectares, 40% of which is the green area, the factory is perfectly laid out, clean and tidy, meets the requirements of modern construction. There are more than 200 employees in the company, among them 20 are technicians with middle and senior technical titles. The company mainly produces series of various kinds of silica gel: fine-pored silica gel, macro-pored silica gel, blue silica gel indicator, silica gel cat sands, column-layer chromatography silica gel as well as drier for small-package silica gel. The annual output reaches 35,000 tons, the product not only occupies certain market share in the home, but also is sold to more than 10 countries or regions in the world, meets various requirements both in home and abroad. The company has passed the ISO9001:2000 international quality system certificate.