Sumiyoshi Co., Ltd.
Homey Interactive, Inc.
Yuyao General Instrument Co., Ltd.
Linear Drives Ltd.
Qingdao Easy Touch Technology Co., Ltd.
Shaoxing Shangyu Chenglong Electronics Co., Ltd.
Nanjing Jucheng Technology Co. Ltd.
Hangzhou Learning Time Technology Co., Ltd.
Anhui CECEP Investment Co., Ltd.
Three Stone Ltd.
Wulff Lake Management, Inc.
Beishui Huicai (Beijing) Technology Co., Ltd.