Blood Collection Tube, Urine Container, Transfer Pipette manufacturer / supplier in China, offering 5ml Polystyrene Graduated Serological Pipette for Medical Examination, 1ml 2ml 5ml 10ml 25ml 50ml Serological Pipettes for Lab Use, Plastic 1ml 2ml 5ml 10ml 25ml 50ml Laboratory Serological Pipettes and so on.