We are Wuhan Cubic Optoelectronics Co., Ltd based in Wuhan, China. We are member of TradeKey.com since May, 2014. Our business is related to Industrial Machinery industry and we specifically deal in gas sensor, oxygen sensor, ultrasonic gas flow sensor, gas flow sensor, oxygen concentrator, oxygen generator, PSA machine, beauty machine, spirometer. Please find our product details below: Ultrasonic Gas Flow Sensor for Respirator, Anesthetic Machine Gasboard7520 ultrasonic gas flow sensor use the ultrasonic velocity difference between upstream and downstream to detect the gas flow and also the gas purity for rspirator, anesthetic machine Portable Handheld Ultrasonic Pulmonary function spirometer Use ultrasonic time difference to get spirometric parameters, Gasboard7020 Handheld Pulmonary Function Tester is widely used for the VC, FVC, MVV testing in the respiratory internal medicine Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.