We are a family run, full service technical acoustics company. We offer noise measurements, design and manufacture of silencers, professional installation of our products. We provide acoustic and ventilation-thermal calculations, structural processing and design of optimal solutions.

We offer services in the field of acoustics, noise measurement, noise studies and implementation of noise protection measures. We work in environmental, occupational, transport, construction and spatial acoustics. We are a professional company and an accredited laboratory operating on the market since 2006.

We are a Czech manufacturer of weapons and handcuffs with a tradition dating back to 1993. We produce revolvers in the ALFA, ALFA STEEL and ALFA STAINLESS series, floberts and RALKEM police show handcuffs. We are ISO 9001:2000 certified and manufacture on modern CNC machines.