Our company JK is one of the worldwide leaders for blood collection equipment industry.JK is also the only professional manufacturer for inert gas protected vacuum blood collection tubes in the world. Considering the fatal disadvantages with traditional blood collection systems,the Life Science Research Center of JK developed the first vacuum blood collection systems under inert gas protection and with heparin zinc/potassium salts as anti-coagulation reagents in the year of 2003. These achievements have greatly improved current understanding for blood collection process.JK technologies and products are showing unbeatable superiorities with the highest speed and broadest range in the world.JK-a dedicated worldwide manufacturer for blood collection equipment.