We are manufacturing Canon 521 compatible ink cartridge with auto reset chip . And we also have high quality ink cartridge for Canon 21BK, 21 C , 24BK , 24C , 3B,3C,3M,3Y,3EBK, 6BK, 6C,6M,6Y,5BK,8BK etc . More printer consumable or printer available in our company. Any question, just fell free to email us at inkmedia(at)szprintmedia(dot)com/inkbiz(at)hotmail(dot)com Company :P&M SCIENCE-TECH CO., LIMITED |