
Toho Zinc Co., Ltd.Tokyo-to, Japan

Wienerberger GmbH

Huazhijie Plastic Building Material Co. Ltd.

L&L Products, Inc.Michigan, United States

Knauf GmbH

The Chicago Faucet Co.Illinois, United States

Carmeuse SAVlaams-Brabant, Belgium

Shanxi Lanhua Sci-Tech Venture Co., Ltd.Shanxi Sheng, China

Miyama Co., Ltd.Nagano-ken, Japan

LIXIL International Pte Ltd.

Rautaruukki OyjSouthern Finland, Finland

Northern Heavy Industries Group Co., Ltd.Liaoning, China