1984, we reached a cooperation agreement with Wuliangye Winery in Yibin, Sichuan. Wuliangye Winery has sent famous teachers to the factory all the year round to guide production and teach technology. In strict accordance with Wuliangye production technology and traditional "tribute wine" production technology, the original single sorghum was changed into five kinds of grain production, namely sorghum, wheat, glutinous rice, rice and corn, and major reforms were carried out in koji making, fermentation, distillation and storage.

Since May 1984, Yaohua Spring Wine produced by Wuliangye Technology has been put on the market and has been well received by consumers. It has successively won more than 30 awards, such as provincial excellent wine, ministerial excellent wine, national exposition gold medal, the State Council special wine for entertaining foreign guests, Paris world famous wine gold medal and China famous brand products. Since 1985, Yao Huachun Winery has carried out three large-scale technical transformations, expanded its production capacity, and the annual production capacity has risen to 20,000 tons, and other indicators have also increased rapidly. It has entered the ranks of the best economic benefits in the whole country and the whole province.