Industrie Cotto Possagno SpAItaly
Shenzhen Xi'Ao Industrial Co. Ltd.Guangdong Sheng, China
Hartley (Haicheng) Magnesite Co., Ltd.Liaoning Sheng, China
Astec Industries, Inc.Tennessee, United States
Cerámicas Azahar SAValencia, Spain
Wenyi Suntech Co., Ltd.Anhui Sheng, China
Woosung Ceramics Industrial Co. Ltd.South Korea
CITIC Heavy Industries Co., Ltd.
Quality Mat Co.Texas, United States
Toyo Asano Foundation Co., Ltd.Shizuoka-ken, Japan
Showa KDE Co., Ltd.Tokyo, Japan
The Amtico Co. Ltd.United Kingdom