Our Canon inkjet compatible cartridge is made by strict production procedure. Germany--made compute--control filling machine automatically sieve ink via three levels and automatic computation insure good printing. The imported PP plastic the most matching with ink is chosen to be the cartridge stock via USA-made attrition jointing machine seal to be vacuum. We choose ink by spectral analysis between original and client-provide standard ink in the world-advanced ink test lab. Furthermore, we have been implementing quality control programs that conform to ISO9001-2000.