Dear Sir/Miss:      we are an import&export company,specialize in medical equipment such as the single channel electrocardiograph trading .we offer model ECG-8800 series  has anti-disturbance filter for EMG and HUM,position feedback drive and fine frequency response which ensures it can attain high fidelity even under the hardest circumstance.Model ECG-8800 series products are now widely used in the fields of science research,clinical  diagnosis and electrocardio-guardianship.     absolutely,we can offer you the high quality products and best service.If you have any questions,please contact me freely. Any reply from you will be appreciated.looking forward to hearing from you.we think there will be an important commercial opportunity for both of us.