
Shandong Ninglian Mechanical Manufacturing Co. Ltd.Shandong Sheng, China

Litong Aluminum Industryhenan Co. Ltd.Henan Sheng, China

Linquan Hengyuan Agricultural and Sideline Products Co., Ltd.Anhui Sheng, China

Shandong Juncheng Metal Technology Co., Ltd.Shandong Sheng, China

Qingdao Qinglian Doors & Windows Co., Ltd.

Langfang Meihua Biotechnology Development Co., Ltd.

Fasangas Srl

CECEP (Tancheng) Environmental Protection Energy Co., Ltd.Shandong Sheng, China

KUNSHANSHIZHENGXINFUZHUANGCHANGJiangsu Sheng, China

Zhejiang Hongyao Glass Co., Ltd.Zhejiang Sheng, China

Beijing Shougang Automation Information Technology Co. Ltd.

Heinz Kaiser AGSwitzerland