medical equipments for blood collection system 01)Product Feature:Our highquality tubes are featured with Safety, Accuracy, Convenience and Quickness. Save your time, improve your efficiency.02)The specifications and Blood draw:Glass:12*75mm----1ml,2ml,3ml,4ml,5ml 12*100mm---6ml,7mlPlastic:13*75mm----1ml,2ml,3ml,4ml03) Blood sample..