The tea-seed oil was extracted by the way of cold extraction instead of the traditional way. And it has changed the appearance completely and has got higher-quality. The tea-seed oil is the famous brand in our province, and it has been authenticated by the ISO9001: 2000, the HACCP and so on. And our products are very famous both at home and abroad, we have also exported the oil to many countries, such as Korea, Japan, Southeast Asia and North America.