On January 26, 2011, DTS reached agreement with Hebei Yangyuan, so far, DTS provided more than 50 units horizontal retort, and 10 vertical crateless retort lines for their canned walnut juice. Hebei Yangyuan Zhihui Beverage Co., LTD., founded in 1997, is the pioneer of walnut juice beverage industry in China and the largest walnut beverage production base in China at present. Yangyuan company is the earliest enterprise that develops, produces and sells walnut beverage in China, and has independently established the most advanced walnut beverage production technology in China. On February 23, 2013, Shandong Dingtaisheng reached a consensus with Henan Huaguan Yangyuan Beverage Co., Ltd. on the project of six walnut juice vertical crateless retort lines. So far, Shandong Dingtaisheng has provided them with 10 crateless retort lines and 10 sets of horizontal water spray retort, and all of them have been put into use.