
Guangzhou Ultra Union Chemicals Ltd.Guangdong Sheng, China

Long Song Keli (Shanghai) Instrument Co., Ltd.Shanghai Shi, China

Chongqing Lvzhang Technology Development Co., Ltd.Chongqing Shi, China

Cangzhou Rongchang Electric Equipment Co., Ltd.Hebei Sheng, China

Yixing Xingyi Special Transformer Co., Ltd.Jiangsu Sheng, China

Dalang Electric Appliance Co., Ltd

Guanghan Jinda Tunnel Machinery Co. Ltd.

Shanghai Lifeng Rubber & Plastic Products Co., Ltd.Shanghai Shi, China

Taizhou Roco Manufacturing Co.,LtdJiangsu Sheng, China

Qingdao Wanjie Machinery Technology Co., Ltd.Shandong Sheng, China

Dongguan Lianzhou Electronic Technology Co. Ltd.

Lixin Technology Co., Ltd.Zhejiang Sheng, China