Yixing Prince Ceramics Co., Ltd.Jiangsu Sheng, China
HWT Haus- & Wassertechnik AGSwitzerland
Halton Oy
Shanghai Tongji Construction Science & Technology Co., Ltd.
PerrinFrance
Shanghai Shengwang Acoustics Technology Corp.Shanghai Shi, China
Albert Fischer Gesellschaft Mit Beschränkter HaftungNiedersachsen, Germany
King's Metal Fiber Technologies Co., Ltd.
IMPSA International, Inc.Pennsylvania, United States
Shandong Sinocera Functional Material Co., Ltd.Shandong, China
Anhui Huizhou Geology Security Institute Co., Ltd.
East China Architectural Design & Research Institute Co., Ltd.