Our Advantage: 1,We are manufacturer of more than 20 years' experience, produce all the products displayed in our website.Providing OEM/ODM service 2,Free samples available with 3days delivery 3,Certifications: ISO9001:2008,ISO13485-2003 ISO14001-2004 4,Warranty: 12months for reusable SPO2 sensor cable,6months for ECG cables 5,Top-quality,non-toxic, anti-interference,soft and durable TPU cable 6, Excellent skilled staffs with professional product knowledge and high work efficiency to solve your any problems within 6hours. 7,strictly testing before packing and shipping: 1).Bending testing 2).Resistance testing 3).Capacitance testing 4).Dielectric strength testing 5).Aging testing 6).Low noise testing