The Condor-II inkjet printer utilizes mini-piston technology and a stream diversion to ensure that ink smoothly runs in the system and thus remains the lowest maintenance cost as possible. The printer adopts a 304 stainless steel shell which is characterized by strong-acid resistance and strong-alkali resistance and has a sure-seal design which provides an extremely-high protective function. It is developed and manufactured by taking advantages of a practical experience of operation and use in the current industry to make the equipment continuously and stably run in harsh environments.