Shenzhen Dahe Industrial Co., Ltd. was founded in July 2003, headquartered in Shenzhen, is one of the earliest manufacturers of self-drilling screws in China, one of the professional manufacturers of self-drilling and tapping screws in China, and the first full-process automated assembly line manufacturer in the self-drilling screw industry in China. It is a key project and benchmark project in China. Now it has developed into the largest, highest output, and most technologically advanced intelligent automated self-drilling screw manufacturer in China.