In the production process, the feedstuff needs to be heated and matured to facilitate digestion and absorption by the animal. Therefore, the heating boiler is an indispensable equipment for feed production. As a national large-scale farming and animal husbandry group, the Twin Group has been dedicated to feed R&D and manufacturing, pig production and grain trading since it was founded in 1998. In the early stage, when the Yulin Twins subsidiary purchased the boiler, it was aware that the water in the heating boilers on the market was not uniformly heated, the heating was slow, the water vapor was insufficient, and the efficiency was low, affecting the feed production. After a long time visit to the major boiler plants, the principle of Yulin twin company found that, whether the welding process, production equipment, or the rational scientific design of the boiler, technology research and development team, ZOZEN boiler is the best in the country. Yulin Twins finally ordered a 12-ton SZL