1. There are 4 electronics factories in Shangyi Development Zone, Baoan District, Shenzhen, and there are Roy Electronics Factory, Youledai Electronics Factory, Xin 'an Aihua Electronics Factory and Cai Liangshuoda Electronics Factory in Baoan District, Shenzhen.
2. There are five mold factories in Shangyi Development Zone, Bao 'an District, Shenzhen, namely Yiai mold products factory, Xinshengyou mold processing factory, Jinruigui silicone mold factory, Yufa mold factory and Xin Sheng Da precision mold products factory.