In 2010, the company invested heavily in Ningbo Yuyao with more than 70 million yuan to build Ningbo Sanhe Enclosure Co., Ltd., and purchased a new batch of mold manufacturing and product processing equipment that are in sync with Europe and the United States, including more than 80 injection molding machines, and invested another 2 million yuan. Purchase a dispensing machine imported from Germany for processing waterproof sealed boxes, which can make the waterproof level reach IP67 or above.