The effort Dingfeng tea Line made to preserve the tea making techniques is unrelenting, so is the labor of tea manufacturing technicians.

Saline soaking and scalding which affect tea flavors and nutrients were canceled in the procedure of making tea leaves of walnut.

It covers a series of subjects ranging from tea culture, tea art, tea history, botany, biology, agriculture, medicine, geography, hydrology, pottery, tea farming machinery to tea production.