Shandong province Ji'nan City Connaught Technology Co. Ltd.   

        Ji'nan dingnuo science and Technology Co., Ltd. is a professional R & D, manufacturing, sales of gas alarm, alarm for combustible gas, toxic gas alarm of high-tech enterprises.
        main products: gas alarm, alarm for combustible gas, toxic gas alarm, gas detectors, gas detectors, fixed gas alarm, portable gas alarm.
        all the products have passed the Ministry of public security fire products conformity assessment center type approval, and obtained the technical supervision departments of the production license.
        products are widely used in petroleum, chemical, gas, coal, electric power, metallurgy, hotels and other industries, the products are sold to more than 20 provinces and autonomous regions, and exported to Kazakhstan and Russia, Europe and other countries.
        the company people-oriented, quality first, adhering to the word, keep their promises, first-class products and first-class service to meet user demand for personalized, diversified, in order to ensure the safety of the lives and property of the customer

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