Our stringent quality control standards start with product quality tests on all incoming raw materials; continues throughout the manufacturing process and at finished product shipment, which ensures the product meets specifications and quality standards. Our customers receive only the best quality mineral granules available to the industry.

While our commitment begins with a superior quality product, we also measure our effectiveness by proactively soliciting customer feedback. We work in concert
with our customers to continuously improve our service and operations. SGI conducts regular
performance evaluations which are correlated with customer input to ensure we are meeting and
exceeding our customers’ needs.