Series of “Feng-shan” oolong tea “Tieguanyin” products are scientific refined made by the materials of Anxi . the choiced raw materials are produced by traditional processing technology, with tenderness, flavor rich Gan, fresh aroma of pure crystal characteristics, Anxi North Line and raw materials under different regions, another quarter of the different characteristics of different aroma and taste of the purchase and management of science and blending. Meanwhile, the various physical and chemical residues selected materials tested, and qualified to purchase the rear. Mao tea, oolong tea products have not only retained the quality characteristics, and in color, fragrant flavor. With shape of the qualitative improvement of quality standards, thereby creating a "Fengshan" brand teas unique quality characteristics.