4 QUALITY CONTROL

The production process of ultra-fine stone powder is strictly controlled in all stages according to the standards of particle size, brightness and moisture every 30 minutes. To ensure the best product quality, we use advanced and modern equipment such as the UK's Malvern Mastersizer 3000 particle size meter, Japan's Konica Minolta CR - 410 whiteness & brightness meter and the US’s Ohaus MB45 moisture weighing machine.

Quality Control Department with a team of engineers with many years of experience and high sense of responsibility, always continuously monitors, controls and strictly updates the product quality. Along with that, under the support of the most advanced technology today, our products are always guaranteed good quality and highest stability.