Established in 2003, Xi'an Yiyang Bio-Tech Co., Ltd. is a professional company specializing in research and development, production and marketing of natural plant extract. Our products are mainly used in health products, pharmaceuticals, cosmetics, beverage, chemicals and food additive. We are also engaged in supplying technical solutions and creative products for customers to help them develop markets. Our Advantages 1. We are specialized in R&D of natural herbal plants. 2. We have been ...