1. Using 100% polypropylene raw material (PP) that meets the requirements of USP standards.
2. Multi-code integration of cryopreservation tube: QR code at the bottom of the tube + barcode of writing area + digital code. The identification information of each pipe body is unique. QR codes and barcodes are laser-etched with precision, no fading, no peeling, and strong stability.
3. The tube body has a clear black scale printing, a large white writing area, and the tube cover is available in multiple colors: white, yellow, red, blue, green, and purple.
4. The bottom position of each tube bottom of the frozen tube box is hollowed out, which is specially used for the desktop barcode scanner to scan the QR code of the bottom of the tube. The unique barcode on the side of the freezing tube box is convenient for classification query and centralized management.
5. Only store in liquid nitrogen phase.
6. Sterilized by gamma irradiation, sterile.