Our Calcium Carbonate powder has gained many awards from the State for quality and production technology. The production process is strictly controlled in all stages, with the process of quality management in accordance with ISO 9001:2015; all the standards for particle size, whiteness, brightness, humidity, chemical composition, physical properties from input raw material to output powder are measured and ensured by advanced equipment such as the Mastersizer 3000E from UK's MALVERN, the Chroma Meter from Japan’s KONICA MINOLTA, Ohaus Moiture Analyzer from USA, along with other modern laboratory equipment, quality control department with expert team to ensure the commitment of quality standards of Calcium Carbonate powder for each customer in different industry.