The joint venture of four experienced companies was composed under the aspect to offer complete solutions for tasks of constructions of infrastructure and environment protection, beginning from civil works for the technical equipment and the operation, maintenance and continues inspection. The second aspect is to provide progressive solutions for special tasks like acoustics, vibration control and dynamic behaviour of constructions.

Together with the engineering company SSDI (Second Survey and Design Institute) in Chengdu we have founded a 20-year-lasting joint venture to provide design, supervision and consulting in China as well as world-wide together with Chinese partners.