Huzhou Purestar Biochem Co.,ltd(also name as Purestar ChemEnterprise Co.,ltd) is located at Huzhou city,100km fromHangzhou,150km from Shanghai,established in 2005. Purestar havemore than 10years in plant extract,herb extract area,as amanufactory and a supplier. Purestar is a ISO series, Kosher andHalal certified company, dedicated to the identification,development and manufacturing of botanical extracts and itsderivatives. With strong R