Chengdu Hawk Bio-Engineering Co., Ltd.

Manufacturer of citrus-derived active ingredients and extracts. Its catalogue lists diosmin, micronised purified flavonoid fraction, hesperidin, the diosmin-hesperidin blend, hesperidin methylchalcone, naringin, rutin, hesperetin and hidrosmin. It reports over a thousand tonnes of active ingredients a year in a GMP workshop. Founded in 1989, with a plant in Yanting County, Mianyang.