Shanghai Yingle Instrument Co. , Ltd. - Medical injection needle tester, syringe tester, Infusion Needle Tester, infusion needle tester, suture needle tester, suture tester, 6% Ruhr cone joint tester, indwelling needle tester, blood needle tester, acupuncture needle tester, needle stiffness tester, toughness tester, firmness tester, sealing positive and negative pressure tester, sealing leakage tester, etc.