With our efficient global supplier chain, our toner cartridges are produced with materials only from famous suppliers in the industry. From the materials inspection, to the strict quality control in the production, each product will get through over 10 different inspections, which ensure reliable quality and the low defect rate as low as 1%Strong R&D enables us to develop at least 5 new toner cartridges. Now BAISINE provide over 500 different toner cartridges.