Rushan Dayang Silica Gel Factory is situated in the south 3.5 kilometers away from the urban district of Rushan City, adjacent to Weihai to its east, contiguous to Yantai to its north, close to the west and bordering on the Yellow Sea in its south. It thus enjoys and adequate traffic, water and power utilities and tele-communication, it is a sole silica gel producer in Weihai Municipality.

Set up in 1984, the factory started to business in silica gel in 1992, the original name was Qingdao Ocean Chemical Plant Rushan Integrated Desiccant Factory. In 1998 it became a joint-stock enterprise. The factory owns a fixed assets of 32 million yuan and covers and area of 34 thousand m2. Now it owns over 300 workers and among whom there are over 20 technicians. After changing system the company is growing stronger and stronger and the profit becomes more year by year. The company has recived a good comment lying on reliable quality and good repute. The company strongthens the namagement and has passed the ISO9002 inspection from the internationally authoritative organization-National Accreditation of Certification Bodies. These awords will benefit the company's future development