Hoyan Pharmaceutical Technology (Wuhan) Co.,Ltd. is a professional enterprise integrating the production, processing, and export of chemical products, mainly engaged in pharmaceutical intermediates and various industrial chemicals. Based on good quality and competitive prices, we have many years of professional experience, and our products are widely used in different countries all over the world. Contact me: sales3@whhoyan.com Whatsapp/Skype?+86 18731983657