
Shandong Shanda Wit Environmental Engineering Co. Ltd.

Dongwoo Industrial Co., Ltd.

A-HEAT Allied Heat Exchange Technology AGWien, Austria

Jiangsu Hengshen Fibre Materials Co. Ltd.Jiangsu Sheng, China

Guangdong Provincial ChangDa Highway Engineering Co. Ltd.

Beijing New Building Materials Public Ltd. Co.Beijing Shi, China

Central Specialties, Inc.Minnesota, United States

Matco Services, Inc.Texas, United States

Baustoffwerke Gebhart & Shne GmbH & Co. KG

Hunan Bestall Dredging Co. Ltd.

Construction JSC No. 1

Shandong Xingtong Telecommunications Technology Co., Ltd.