Petri Dishes, Centrifuge Tubes, Pipette Tips manufacturer / supplier in China, offering 15ml 50ml Heavy Metal Free PP Centrifuge Tube for Environmental Testing 12500g Metal-Free Centrifuge Tubes, Laboratory Use 10ml 15ml 50ml Conical Sterile Centrifuge Tubes, Sterile 15ml & 50ml Polypropylene Pointed/Conical Bottom Screw Cap Centrifuge Tube (Laboratory Use Macaron Color Sample) and so on.