Pyrethrum ester is a kind of broad spectrum insecticide that can prevent a variety of insect pests .Its insecticidal toxicity increase 10-100 times than the older generation such as organochlorine, organophosphorus and carbamate pesticides. Pyrethrum ester is small for environmental pollution because of low concentration and low dosage.

The main source of pyrethrins is pyrethrum flowers, its root and stem also contains pyrethroids. Pyrethrum full continuous extraction production line is patent products of Henan Huatai, won the national patent certificate, equipment operation is stable, large capacity, high extraction efficiency.