Ink Lab (HK) offers 2 year warranty period to its customers as well as a loyalty pledge not to compete with its business partners - a commitment seldom entered into by OEM manufacturers. Its well-trained technical support staff and sales professional are dedicated to provide service to its customers that exceed their expectations.

As an ISO Standard manufacturer, Ink Lab (HK) 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 INK LAB 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 Ink Lab (HK) products.

We guarantee that every cartridge will be free of defects of workmanship or raw materials and that it meets or exceed OEM specifications. We will replace any cartridges caused by manufacturing defects.