Zhejiang Gold Kropn Bio-tech Co. is located in Donggang Economic Development Zone, Quzhou, Zhejiang, China. It is a high-tech enterprise integrating research, production and sales. The company has GMP workshop of extraction, concentration, drying, packaging, etc., and has more than 12,000 square meters plant. It is the first small molecule modified citrus pectin production line with annual output of 120 tons.