Zhejiang Tianhecheng Bio-technology Shares Co., Ltd.is a professional manufacturer of nutritional enhancers and compound colorants, which committed to the production of Vitamin A, D, E series, DHA, ARA series, and Beta-carotene series products. The company operates strictly in accordance with ISO9001 quality system and ISO22000 food safety system, adopts the unique embedding technology. The products are mainly exported to USA, Italy, Brazil and other dozens of countries.