Company Profile Hengda Chemicals Co., Ltd., a .... agents in domestic of China. It is located in Gaizhou, Liaoning Province, the birthplace of the organic silane coupling agents in China . In 1965....
Yingkou Tanyun Chemical Research Institute .... of Xinhu Street in the coastal industrial base of Liaoning ( Yingkou) , covering an area of 65, 000 square meters. Tanyun Chemical mainly produces....