As an ISO Standard manufacturer, Uranustar has different precision instruments that perform accurate inspection and quality assurance checks. This includes a comprehensive quality control (QC) program with online QC staff to ensure that all Uranustar products are defect-free; surface profilometer to test the roughness of product surfaces by using skidless or skidded methods; spectrodensitometer to check printout toner density and background contrast; gear checking device to test the smoothness of toner cartridge’s gear as well as seal stripe pulling device to check the force for pulling cartridge seal stripe. These devices have proved to be a reliable gauge on the quality and performance standard of Uranustar products.