Qingdao Dasen Environmental Protection Equipment Co., Ltd. ye raan ye MRO looi, ye raan ye luui në ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke ɣän ke Company main water quality testing instruments, dust testing instruments, gas testing instruments, atmospheric dust sampler, chemical experiment general instruments, COD detector, dust detector, infrared oil detector, indoor air testing instruments and other equipment, including gas testing instruments including formaldehyde, carbon monoxide, carbon dioxide, oxygen, nitrogen, toxic and harmful gases and other testing instruments, customers are all located in the south and north of the Great River, business involves automobiles, shipbuilding, boiler manufacturing, aviation, oil, steel, coal, municipal, construction and other areas. Brands aye US WARREY VOC Detector, Canada BW, US Cisco, UK Kane, Germany Delgue, Japan RISE GX-8000 Gas Detector, Taiwan Tess, etc. Tɛ̈n yenë kɔɔr looi, kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔ Në ye mɛn, akutnhïïm ye baara kɛ në internet yic, ka tɛ̈n lëu bï kɔc juëc ye luɔɔi ya kuanycök, ka tɛ̈n lëu bï kɔc ye luɔɔi ya kuanycök, ka tɛ̈n lëu bï kɔc ye luɔɔi ya kuanycök, ka tɛ̈n lëu bï kɔc ye luɔɔi ya kuanycök, Në ye mɛn, akutnhom de kɔc cï luɔ̈ɔ̈i de teknoloji de kɔc cï luɔ̈ɔ̈ Kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc A bɛ kɛ̈ɛ̈r juëc ye kɛ̈ɛ̈r juëc ye kɛ̈ɛ̈r juëc ye kɛ̈ɛ̈r juëc ye kɛ̈ɛ̈r juëc ye kɛ̈ɛ̈r juëc ye kɛ̈ Gas detection: including VOC, formaldehyde, carbon monoxide, carbon dioxide, oxygen, nitrogen, all kinds of toxic and harmful gases and fume gas such as detection instruments. Gas detection: including VOC, formaldehyde, carbon monoxide, carbon dioxide, oxygen, nitrogen, all kinds of toxic and harmful gases and fume gas such as detection instruments. Brands include American Warwick, German Derger, Canada BW, Japan New Universe, Japan Scientific Research, American Intelco, American Metsä, etc. Pii quality inspection: including water quality sampler, Pii quality sampler, Pii quality sampler, Pii quality sampler, Pii quality sampler, Pii quality sampler, Pii quality sampler, Pii quality sampler, Pii quality sampler, COD、BOD、 Ammonia nitrogen, total phosphorus, multi-parameter, etc. test instruments. Dust detection: PM10/PM2.5 dust monitoring, industrial mine dust monitoring, atmospheric dust sampler, smoke dust smoke gas sampler, dust particle counter etc. Kuen kɔ̈k ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈