CM4 has the experience and the resources to develop any kind of solution related to the functionality of rolling stock applications at any stage of development, from the description of the technical specification of a component to the design and construction of test benches and required training.

CM4's quality system meets transportation requirements and the key standards ISO 9001:2008 and EN 15085 CL4, and product assurance that is fully compliant to EN 50125, EN 50126, EN 50128, and EN 50155.

CM4 supports customers, providing local competences in engineering, tests and approvals, production and technical assistance.

Our team consists of highly qualified personnel in different fields of engineering, such as mechanical, welding, electrical, electronics, software, communications, industrial automation and processes.