
Tianjin Hongxuanda Technology Co., Ltd.

Shenzhen Lanaosheng Technology Co., Ltd.

Shanghai Gezhi Junior High School

Guangzhou Qianshun Industrial Materials Co., Ltd.

Dongbang Electronic Ind Co. Ltd.

Nanjing Yuanchang New Materials Co., Ltd.

Benhov GMBH LLC

Huiwang Electric Co. Ltd.

Seokwang Ind Co. Ltd.

Zhejiang Switch Factory Co. Ltd.

Beijing Yanhua Construction Engineering Co. Ltd.

Daal Noise Control Systems AS