Unique spray process makes the additives full & fast dispersal, and blood specimen were intensive mixed International advanced technology, ensures the amount of additives being kept constantly in validity of tube Unique process of bionic active membrane for inner wall maintains the active stability of soterocytes Special process for the wall makes it smooth enough to eliminate the effectiveness of electric charge Strict control of particle contamination stops effect of particle contamination on the test results Apply updated anti micro coagulation technology, micro agglutination will not appear.