
Noise Limit ApSDenmark

Kennametal, Inc.Pennsylvania, United States

KATO WORKS CO., LTD.Tokyo-to, Japan

Collett ASNorway

SiTec GmbHGermany

LEATEC Fine Ceramics Co., Ltd.Taiwan Province, China

Busi Impianti SpABologna, Italy

Fujita Corporation VietnamHậu Giang, Vietnam

Shibata Industry Co., Ltd.

North Huajin Chemical Industries Co., Ltd.Liaoning Sheng, China

Vexo International (UK) Ltd.United Kingdom

China Railway No. 3 Engineering Group Co., Ltd.