GRB is a company which, due to its innovative capacity, is in constant evolution. Its activity is the design, development, production and commercialization of thermostatic mixer taps for domestic use, single-handle mixers and tapware in general, under the trademarks GRB, GRB MIXERS and GRISANEX.

GRB promotes sustainable management of water working on one main objective. The manufacture of tapware and thermostatic mixers with technology, efficiency and control of consumption to achieve efficient use and management of water.