Hongyi was founded in 2008, which is a professional manufacturer and distributor of herbal plant extracts for the cosmetic, nutritional, pharmaceutical and food industries. Hongyi can do more than 400 tons of herbal plant extracts and related active ingredients annually. Hongyi has obtained GMP certificate, all production is according to the GMP standard. The main products are Polygonum Cuspidatum Extract (Resveratrol), Berberine HCL, Baicalin Extract, Andrographis Extract, Salvia Extract, F...View More