The Colcom-Minusco-Sadev group is a major and leading player in the glass hardware industry. This group, with the leadership of Sadev, is the designer and supplier of part of the most sophisticated requirements for the glass facades and structures in the world. High quality, stunning beauty, and reliable technical support have been the main strategies of this group in the market. To ensure full safety, most of the products of this group are provided under the technical advice and reports submitted by CSTB or CEBTP.

GEZE stands for innovation, highest quality and holistic support of building services engineering – from the initial idea, planning and operational implementation with series products to tailor-made system solutions and individual service and maintenance. We offer an extensive product range of door, window and security technology and are a major driving force behind the digital networking of building automation.

Q-railing is the main partner of the Venus Glass Company in providing glass railings, advanced design, unrivaled quality, fast assembly, and excellent safety. Using a unique knowledge, creative solutions and engineering support, and a very high standard in parts manufacturing, Q-railing has provided many different systems to meet the needs of various projects. Q-railing systems are famous for their flexibility. Using modular design, you can combine the constructing elements through creating unique blocks; in this way, we can bring our perspective to life.

This family of products has focused on the use of a new generation of metal fittings for the glass that allows access to the non-airlock glass walls for some applications including the glass walls in the double skin façade (with the aim of reducing noise pollution, upgrading the exterior façades of old buildings, and improving the thermal insulation of the first glass façade) or in the first glass façades in cases where the airlock is not important (such as the multistorey 

Automatic door solutions for accessibility or fire protection, window drives for natural ventilation or for smoke and heat extraction in the event of fire, digital networking of doors and windows for building automation - these are just a few examples from our service portfolio. Our goal is to develop liveable buildings with the highest degree of comfort and the greatest possible safety for building users.