Hangzhou Ruijing Biotechnology Co.,Ltd.

Research and development, production and sales of DL-tartaric acid (including food grade DL-tartaric acid), L () tartaric acid (including food grade L () tartaric acid), potassium hydrogen tartrate (food grade potassium hydrogen tartrate), DL-potassium sodium tartrate, L ()-potassium sodium tartrate, TH401, gypsum (except hazardous chemicals and precursor chemicals); wholesale and retail: chemical raw materials and chemical products (except hazardous chemicals and precursor chemicals); import and export of goods; and all other legal projects that do not require approval. (Projects that must be approved according to law can only carry out business activities after approval by relevant departments)