Yingkou Tanyun Chemical Research Institute Corporation (Tanyun Chemical for short), is a corporation merged by Yingkou Petroleum Chemical Research Institute Co., Ltd. and Yingkou Tanyun Industrial Fine Chemical Co., Ltd.. Our corporation is a research-type manufacturing enterprise specialized in the development and research of fine chemical products. We are located in the western part of Xinhu Street in the coastal industrial base of Liaoning (Yingkou), covering an area of 65,000 square meters. ...