The gas instrumentation, the radiation instrumentation, the water instrumentation is the Beijing day kernel and the technological progress company's day science and technology three big core fields.<dnt> </dnt> gas instrumentation class: American AIC1000 anoin reflectoscope reflector; American AIC2000 anoin reflectoscope reflector; Japanese ITC-201A anoin reflectoscope reflector; Japanese 201A anoin testing software; Japanese KEC990 air anoin reflectoscope reflector (100 - 20, 000, 000); Japanese KEC-900 air anoin reflectoscope reflector (10 - 2, 000, 000); Japanese COM3600 synthesizes the high function air ion reflectoscope reflector; Japanese COM3800 synthesizes the high function air ion reflectoscope reflector; Japanese COM3400 synthesizes the high function air ion reflectoscope reflector; Japanese COM-3010PRO ore ion reflectoscope reflector, ore ion reflectoscope reflector printer; ES300 formaldehyde instrumentation, IQ350 toluene gas instrumentation; IQ350 xylene gas instrumentation; American 1200 ozone cryoscopes; American 1200XP ozone cryoscope; American C-30ZX ozone cryoscope; American 200 high potency ozone cryoscope (0. 01-50PPM); American UV100 ultraviolet ozone analyzer (0-100PPM); American ASI Corporation ASI-L1500B series temperature recording instrument, temperature reflectoscope reflector <dnt> </dnt>Radiation instrument instrument class: GAMMA-SCOUT-15 multi-purpose digit rolometers; Inspector the EXP handhold Alpha, Beta, Gamma and X multi-purpose tarnishes the measurement meter; Inspector multi-purpose beam instrumentations; SD660N stationary type Chi, Gamma radiation warning meter; Finnish RDS-110 multipurpose radiation gauge; American TM electromagnetic wave radiometer; NEWSCAN handhold radioactive radiation and metal sounding set; PRM-470CGÃŽ³ line instrumentation; In PRM-470CN strand instrumentation; PRM-470CGN Gamma, strand instrumentation; Domestically produced DM-5200 intellectualization Ã-&At