Have You Heard About 2D Cryotube The 2D CryoTube is made of pure polypropylene raw material that meets the USP Class VI standard, and the GMP 100,000-level clean workshop is produced in an integrated sealing gasket design, which is firmly sealed and not easy to leak. The bottom of the two-injection molding process is integrated, and the QR code gasket is firm and not easy to fall off. Laser etching Two-dimensional...