What are the national brands of lung function tester? Lung function instrument manufacturers for:Domestic lung function instrument:Hunan Medical Wings Health Science and Technology Company Limited:Ji Xiezhi quasi 2017220014 Henan Pulse Song Medical Equipment Manufacturing Co. Optoelectronic Instrument Co., Ltd:Beijing Machinery Quasi-Approval 20172210727, Beijing Machinery Quasi-Approval 20182210193 Cardiopulmonary Function Tester:Chongqing Korod Trade Co., Ltd:Chongqing Machinery Quasi-Approval 20162210034 Lung Function Tester:Zhejiang Yiliankang Medical Science and Technology Co. Ltd:Hebei Machinery Quasi