Beijing National Medical Ltd. is the best manufacturer of ETCO2 module in China. Many manufacturer of patient monitor all over the world use our ETCO2 module....

#501, Hanbat Culture-leading Center(HBCC) 705, Gwanpyung-dong, Yuseong-gu, Daejeo

EXSEN Inc., established in 2012, manufactures the solid state electrochemical gas sensors that measure the concentration of harmful gases.These days, the awareness of indoor/outdoor air pollution prob...