Shaanxi Longfu Bio-Chemical Co,.Ltd, Located at Xi'an High&New Technology Industrial Development Zone, which specialize in various kinds of plant extracts, eg Tribulus Alatus, Green tea extract, Magnolia Bark P.E, etc.Our factory is at Sanyuan, Shaanxi. the factory was found based on GMP standard, the factory supply ability is that 2000tons raw materials is made to 50-100tons extracts products, Meanwhile we have the raw material plant base of 670 square kiometre is accroding to DAP standard at south shaanxi, So sir, you can be assured of our quality and the production ability.If you have the stable demand very year, plz consider our products. Thank you!