More than 30 casting engineers with many years of rich experience have continuously improved the traditional process and improved the application level of red sand mud casting, water glass casting and resin sand casting. Strict control of aluminum smelting and pouring process, casting quality is outstanding. In recent years, the company has adopted the original vacuum negative pressure casting process (referred to as "V" casting), and put in two "V casting production lines" in 2012, which has improved the production efficiency. At the same time, the "V" method of vacuum casting I art has played a good effect on the blister mold and the rotoplastic mold.