主营：Production, sales, maintenance, processing, automated binding machinery and spare parts, processing, paper products, import and export of goods or technology
主营：General projects, general equipment manufacturing, mechanical parts, component processing, metal surface treatment and heat treatment processing, general mechanical equipment installation services, steel rolling processing, non-ferrous metal rolling proce
主营：Licensed projects, production of audio-visual products, online sales of publications, retail of publications, wholesale of publications, general projects of electronic publication production, manufacturing of industrial robots, sales of industrial robots,
主营：Experimental instruments and accessories, production, sales, and maintenance of testing machines, technical consulting services for testing machines, development and sales of computer software, import and export business, sales, instrumentation, machine t
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