Huawei technologies co., ltd.
Zhongxing telecom equipment
Great Wall International System Technology (Shenzhen) Co., Ltd.
Hongfujin Precision Industry (Shenzhen) Co., Ltd.
Lenovo Information Products (Shenzhen) Co., Ltd.
Emerson network power
Shenzhen skyworth tricolor electronics co., ltd
Shenzhen BYD company limited
Konka group co., ltd
Epson Technology (Shenzhen) Co., Ltd.
Shenzhen San sheng ke Jian mobile communication technology co., ltd
Memory Technology (Shenzhen) Co., Ltd.
Shenzhen Samsung shijie co., ltd
Fukui Precision Parts (Shenzhen) Co., Ltd.
Shenzhen saiyifa microelectronics co., ltd.
Fuji Xerox High-Tech (Shenzhen) Co., Ltd.
Shenzhen development technology co., ltd
Shenzhen mairui biomedical electronics co., ltd
Ricoh (Shenzhen) Industry Development Co., Ltd.
Jingguan Technology (Shenzhen) Co., Ltd.
Lianneng Technology (Shenzhen) Co., Ltd.
Qunkang Technology (Shenzhen) Co., Ltd.]
Ensimai Electronic (Shenzhen) Co., Ltd.
Shenzhen seg Samsung co., ltd.
China Great Wall Computer Shenzhen Co., Ltd.
Shenzhen bike battery co., ltd
Mei zi Xu Dian (Shenzhen) technology co., ltd
Shenzhen CIMC special purpose vehicle co., ltd
Hitachi Global Storage Technology Shenzhen Co., Ltd.
Shenzhen Lai Bao High-Tech Co., Ltd.
Brother Industry (Shenzhen) Co., Ltd.
Shenzhen tianma microelectronics co., ltd.
Castrol (Shenzhen) co., ltd
Xinli industry (Shenzhen) co., ltd
Shenzhen Tongzhou electronics co., ltd.
Shenzhen Liang Hai Storage Equipment Co., Ltd.
Shenzhen development magnetic record co., ltd
Shenzhen taike electronics co., ltd
Shenzhen konka communication technology co., ltd
Olympus (Shenzhen) Industry Co., Ltd.
Yulong Computer Communication Technology (Shenzhen) Co., Ltd.
Tianshida Plastic Electronic (Shenzhen) Co., Ltd.
Xin skyworth electrics (Shenzhen) co., ltd
Shicheng Electronic (Shenzhen) Co., Ltd.
Shenzhen Yu Zhong Yuan Yi Digital Science and Technology Co., Ltd.
Sanmina Technology Electronic (Shenzhen) Co., Ltd.
Shenzhen shenzhou computer co., ltd
Toshiba Copier (Shenzhen) Co., Ltd.
Helin electronic Shenzhen co., ltd
Fu Hong Precision Components (Shenzhen) Co., Ltd.
Nantai Electronic (Shenzhen) Co., Ltd.
Flextronics Industry (Shenzhen) Co., Ltd.
Jiedixun photoelectricity (Shenzhen) Co., Ltd.
Fuzhun Precision Industry (Shenzhen) Co., Ltd.
Shenzhen maikeweier air-condition co., ltd
Meilv Electronic (Shenzhen) Co., Ltd.
The above units are quite famous in Shenzhen.