Mayer Holdings Ltd

Huiyuan Cowins Technology Group Limited is an investment holding company that manufactures and sells steel pipes, steel sheets, and other steel products in the People's Republic of China. It operates in two segments, Steel and Service, and also offers piped potable water solutions, energy storage development and application, PCM technology conservation, and technology integration for facility farming. The company was formerly known as Mayer Holdings Limited and changed its name to Huiyuan Cowins Technology Group Limited in May 2025. Incorporated in 2003, it is headquartered in Causeway Bay, Hong Kong.