1.Our HistoryHanwei Electronics Group Corporation (Stock no.:300007),founded in 1998,is the largest gas sensors and instruments manufacturer and the leading sensor-based IoT solution supplier in China. With IoT industry as center, Hanwei combined related technology such as sensors, intelligent terminal, communication technology, geographic information,cloud computing,big data etc. to creat Hanwei Cloud and a complete IoT industry chain. Hanwei group devotes to provide perfect solution for smart city, production safety, environmental protection and health of the people’s livelihood, making things intelligent and creating new values to our work and life unceasingly.2.Our FactoryHanwei Electronics Group Corporation (Stock no.:300007),founded in 1998,is the largest gas sensors and instruments manufacturer and the leading sensor-based IoT solution supplier in China. With IoT industry as center, Hanwei combined related technology such as sensors, intelligent terminal, communication technology, geographic information,cloud computing,big data etc. to creat Hanwei Cloud and a complete IoT industry chain. Hanwei group devotes to provide perfect solution for smart city, production safety, environmental protection and health of the people’s livelihood, making things intelligent and creating new values to our work and life unceasingly.3.Our ProductDomestic Gas AlarmIndustrial Gas DetectionAlcohol TesterHealth Condition Monitoring Products4.Product ApplicationHanwei products and solutions widely used in hundreds of countries and regions, covered more than 20 fields, petroleum ,chemical, metallurgy, mining, electronics, electricity, pharmaceutical, food, medical health, agriculture, gas, water supply and discharge,heating, municipal engineering, home security and health, public areas, waste gas treatment, sewage treatment, biological sciences, aerospace, military, anti-terrorism ,traffic safety management.5.Our CertificateMost of products have obtained certification by CE, TUV, ATEX, RoHS ect. international certifications.6.Production EquipmentHanwei has occupied more than 20 production lines,over 400 sets of production, detection equipment and world-class testing centre for 3 main series of product- alcohol tester,domestic gas alarm,industrial gas detectors.In addition,Hanwei has over 30000㎡ factory.7.Production MarketThe products from Hanwei is hot seller in Europe,Japan,Korea ,Southeast Asia and South America ,the volume of exports to the target markets is increasing year by year.8.Our service1.All returns accepted2. Buyer must contact us within 7 Days after receiving the item3.Refund given as Money Back or equivalent value product4.Return shipping will be paid by The Buyer5.No restocking fee will be charged

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