
Guangdong Longkai Co., Ltd.

Zhongke Construction Engineering Group Co., Ltd.

Jiangsu Tianxiang Biotechnology Co., Ltd.

Hubei Jianghan Construction Engineering Machinery Co. Ltd.

Shinko Kensetsu KK

Nordiska Truss AB

Tianjin Demei Steel Pipe Co. Ltd.

Bunsen Co. Ltd.

Gallostra SA

Hangzhou Zhongfucai New Material Technology Co., Ltd.

Ankang Beiyida Pharmaceutical Co., Ltd.

Nanjing Gieli New Material Co., Ltd.