QS Group is group of companies which specialize in developing processes in mining and construction. It is a provider of complex solutions for the mining industry.
Quarry-Service is the official Distributor of B-Miner, Roxon, CPC equipment and the provider of spare and wear parts, contract crushing, maintenance, technical and technological outsourcing.
QS-Engineering is engineering project center.
QS-Technology is innovation solutions designer in crushing and screening.