Weifang Ruiguang Chemical Co., Ltd., established in 1988, former Weifang Hanting Dye Auxiliary Factory, mainly specializes in research, development and making of paint stamp color paste, textile dyeing and printing auxiliary, paper making auxiliary, petroleum auxiliary and biological products. For many years, we have been cooperating with many chemical institutes in our country. We have advanced production equipments, mature production technology, improved and scientific testing means and all product index reach up to domestic top level