Sitong Phyto Active Ingredient INC. is a private enterprise, cooperating with oversea and domestic research institutions, specializing in the manufacture and export of natural plant extract. She established in 1997, which located in Ren Wan Industrial Park, Lengshui Tan district, Yongzhou City, Hunan Province.
Our enterprise has total capital amounts to 150 millions yuan and owns a professional, high social skills research team. We equipped a civil advanced work line which can manufacture three products at the same time and can meet requirement of multi-technique, apply hundred kinds of herbs and plants refine. Additionally, we can provide high quality extracts with the fully equipped R&D lad and QC center. We pay attention to cultivate persons with ability, technology input and new products development.

Our main products are Soybean isoflavone, Ren clover P.E, Epimedium P.E, Pueraria root P.E, Citrus Aurantium P.E and Polygonum cuspidatum P.E(Resveratrol). They are always popular with oversea and domestic clients, and are competive in quality and price.

Sitong does business based on the principle of honesty and high quality, which are the backbone of our enterprise. We warmly welcome friends, experts to visit, and sincerely hope to cooperate with all customers and clients for mutual development by providing all kinds of P.E for all circles.