At PT. Green Global Sumatera, quality is our top priority for every product and service we provide. We implement a strict quality assurance system at every stage, from raw material selection and production processes to packaging and delivery to our customers.

All our products including dolomite, quartz sand, clay, and humic acid undergo comprehensive laboratory testing to ensure they meet industry standards and customer specifications. Our quality control team routinely conducts inspections and testing, and documents the results to guarantee transparency and accountability.

In addition, we provide certificates of analysis (COA) and other supporting documents upon request. PT. Green Global Sumatera is committed to delivering consistently high-quality products, ensuring maximum trust and satisfaction for all our customers.