Harbin aisheng intelligent technology development co., LTD was founded in 2002 .is located in Harbin hanan science and technology new district. is a high-tech enterprise specializing in the research and development, production, sales and service of flammable, explosive, combustible, poisonous and harmful gas detector and controller as well as upper computer system .The company relies on advanced technical force, reliable production process, perfect quality management system, combined with the development needs of various industries at the same time, take the needs of customers as own responsibility, has developed four categories of more than 10 products, widely used in the petrochemical industry, metallurgy gas, medicine and other industries .Company staff, give full play to the spirit of innovation, unremitting service first, to the most advanced technology, the best quality products, the most perfect service for the purpose of work, quality first for the purpose of quality, so as to constantly improve the competitiveness of the enterprise and brand influence . The company has established the after-sales service response mechanism, provides 24-hour product service hotline, promises to arrive at the fault site within 12 hours, and troubleshoot the on-site fault for customers as soon as possible ,Aisheng brand escort for your safety .