Disposable Vacuum Blood Collection Tube, Mask, Butterfly Needle manufacturer / supplier in China, offering 5ml High Speed Centrifuge Tube, Dnase/Rnase Free, for DNA Rna Sample Separation, 15/50ml Sterile PP Centrifuge Tube with Conical Bottom, Autoclavable, CE ISO13485, 50ml PP Centrifuge Tube with Snap-Cap for Secure Sealing and so on.