Ningbo Huaan Building Material Smelting Co. Ltd.
Beijing Huaqi Portable Digital Co., Ltd.Beijing Shi, China
Changzhou Saier Keruite Electric Co Ltd.
SES Sound Electronic Systems SA
Bernard Lemaître,
Suqian Cosmos Chemical Co. Ltd.
Grand Ipearl Electronic & Technology Co., Ltd.
Tecnor Srl
TECO Nanotech Co. Ltd.
Huizhou Desai Audio-Visual Technology Co., Ltd.Guangdong Sheng, China
Dongguan Chengye Machinery Technology Co., Ltd.
Suzhou Jiyide Automation Equipment Co., Ltd.