All our production processes are carried out within the framework of globally recognized quality assurance certificates that are sensitive to environment and human health.
Our Quality Management System certificate, which verifies the compliance of all our corporate management, production, mining operations, and raw material shipment processes with international standards.
Our standard compliance certificate, which certifies the suitability of quartz sand and gravels used for treatment of drinking and domestic water for human health, as well as their high chemical and physical durability.
Our chemical purity (SiO2), mineralogical analysis, and grain curve test reports regularly performed by Istanbul University, Faculty of Engineering laboratories.