The tea area here in Xixiang starting from the earlier ancient dynasty of Qin and Han, and popular in ancient Tan dynasty and are one of the best supplier to emperor. Our tea parks locate in the mountains of Qinling and Bashan, belongs to the very north tea area of high altitude, high latitude, high temperature difference, full of oxygen and zinc. The area is far away from city, its soil, air and water are nature and no pollution, which is very suitable for the growth of good tea. The trace elements in tea, such as zinc, selenium, etc., tested by the state tea research center, shows that it is higher than that of other tea area in china. The tea from our gardens has about ****0 gram of selenium per kilo, about 3.0 gram of zinc per kilo and about ****0% of tea polyphones.

    DYBT has built modern tea ingredients extraction line, which is complying with food and drug management practices, such as cGMP, using current up-to-date process to extract tea polyphones. The product can be used well in food as well as in drugs. The stable quality and registration are well-known in clients. DYBT has lots of stable domestic clients, and also some in USA, EU, Japan, etc.

    On quality management, DYBT follows the requirements of GAP, and also did the registration of sanitation, enterprise. It has got the certificate of QS, ISO***0, HACCP, ISO****0, HALAL, etc. We have the instrument s of UV, dryers, and also HPLC, GC, IR, etc. Meanwhile, our product has had the registration of DMF in some countries so as to satisfy the different requirements of clients.