Tianhe Tea Planting Professional Cooperative in Dachuan District is mainly engaged in tea production, processing, sales, development and sales of tea derivatives, as well as leisure, sightseeing and tourism industries. It has registered three trademarks, namely "Chunshen Tianhe", "Dazhou Tianhe" and "Zhongshu Tianhe Garden", and the "Dazhou Tianhe" brand series of tea products has been selected as "Dazhou Tianhe".

at present, the tea planting scale of this specialized cooperative is nearly 6, mu, which is the largest single tea garden in northeast Sichuan. Its production base is 6-7 meters above sea level on average, and the climate is mild and humid, which is very suitable for tea planting, especially the white tea, Longjing No.43, golden bud and lobular.

"White tea is straight and slightly flat in shape, and golden buds are bright yellow and tight as needles ... Tea leaves are refined through the process of making green tea tips, including picking, spreading, deactivating enzymes, trimming, primary baking, secondary baking and finishing." According to reports, the color and shape of different teas are different. After white tea is brewed, the soup color is pale and translucent, the leaves at the bottom of the leaves are fresh and tender, and the leaves are white and green; Longjing, on the other hand, has a bright green soup and clear leaves.