Guangzhou Hualing Refrigeration Equipment Co., Ltd.
Hebei LEDE Electronic Co.,Ltd.
Shanghai Laiying Medical Technology Co., Ltd.
Xuzhou Tiancheng Intelligent Technology Co., Ltd.
Weifang Jingjiu Waterproof Engineering Group Co., Ltd.
Ics Triplex Technology Ltd.
Guangdong Kekaida Intelligent Robot Co., Ltd.Guangdong Sheng, China
Kanshai Wire Netting Technology (Kunshan) Co. Ltd.,
Hangzhou Hawk Photoelectric Instrument Co. Ltd.
Donggang Huarui Color Steel Co. Ltd.
Kins Developments Ltd.
Beijing Graduate Department of China University of Mining and Technology