Beijing Yueda Technology Co., Ltd.   

Company's main products are: indoor air testing equipment (IAQ), water quality analysis instrument, gas analysis instrument, food safety testing instruments, occupational health environmental protection instrument, nondestructive testing instruments, radioactive pollution detection instrument, X-ray apparatus, air sampler, dust sampler, dust meter, bolometer and WBGT index of thermal instrument, electromagnetic field and microwave leakage can detector, personal protective equipment, protective clothing, masks, etc.), power electrical testing equipment, pipeline detection, laboratory equipment and consumables, sampling instrument (sampling pump), sound level meter, the vibration instrument, meteorological detection equipment, dust / smoke gas / gas / density instrument, such as