主营：Cultural and artistic exchange and planning, public relations event planning, corporate image planning, marketing planning, advertising design, production, agency, publishing, graphic and text design, production, technology development in the field of com
主营：General projects, sales of plastic products, sales of synthetic materials, sales of engineering plastics and synthetic resins, sales of rubber products, sales of new catalytic materials and additives, research and development of new material technology, s
主营：General business projects, technical development, sales, technical consulting, leasing and on-site maintenance and repair of laser products and opto mechatronics integrated equipment, domestic trade, import and export of goods, licensed business projects
主营：Processing, assembly, and sales of amusement equipment, import and export of goods, import and export of technology, except for goods or technology restricted or prohibited by the state for company operation
主营：General projects, refrigeration, manufacturing of air conditioning equipment, refrigeration, sales of air conditioning equipment, sales of mechanical equipment, manufacturing of mechanical and electrical equipment, sales of mechanical and electrical equip
主营：Licensed projects, import and export of goods, import and export of technology, general projects of import and export agency, technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion, s
主营：General projects, sales of teaching models and teaching aids, sales of teaching specialized instruments, wholesale of sports equipment and supplies, retail of sports equipment and supplies, wholesale of stationery supplies, retail of stationery supplies,
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