As a senior member of KNX, our company- Guangzhou Video-star Group (GVS) is one of the best manufacturers specialized in R&D and manufacturing of home and building automation products, which includes dimmer actuator, switch actuator, shutter actuator, power supply, protocol gateway, detector/sensor, user interface, etc.

GVS strictly complies with the quality requirement of ISO9001: 2000system and RoHS compliance system, and all of our products are severely tested by CE conformity and KNX standard, therefore, we can assure you the outstanding performance of our K-BUS series products.

However, the price we can offer, based on this quality, will be extremely competitive. Only because of the above-mentioned merits, does GVS and its products have owned a good reputation from customers all over the world.