LAB EQUIPMENT
QHSTONE’s calcium carbonate powders output are strictly controlled by the Quality Control Department with modern laboratory equipments such as the British Malvern 3000E laser particle analyzer, the Konica Minolta CR-410 whiteness measurement. This strict quality control has given reputation for QHSTONE in the market.
MANUFACTURING LINE
QHSTONE have been equiped the most advanced machinery line, including automatic raw material washing system with multiple high pressure nozzles, ensuring the highest purity input materials, modern ultra-fine grinding line of Germany technology with automatic electric control system, automatic bagging machine with high productivity. Total annual output reaches over 80,000 tons.
QUALITY CONTROL SYSTEM
Quy Hop Stone Company Limited has successfully applied the quality management system of international standard ISO 9001: 2015, which is the foundation for the lasting development of QHSTONE.
