Hangzhou Dingyan Chem Co., Ltd

Hangzhou Dingyan Chem Co., LTD. is located in the beautiful tourist city of hangzhou, is a comprehensive chemical enterprice which manufacture and sells API, Interdiate, food addtive and bio-chemical reagent, and doing import and export business by its own company. we adhere to the principle of \"quality, service, integrity and development\" , following \"low carbon, environmental protection\", ...