主营产品：Fluid control equipment, valves and accessories, filters, pneumatic components, pumps, manufacturing, processing (operated by institutions limited to the above), wholesale, retail, air compressors and accessories, plumbing equipment, sanitary ware, engaged in valve import, export and technology Import and export business.
主营产品：Specializing in organizing and holding international conferences and exhibitions, it is a member unit of multiple international industry organizations.
主营产品：Mechanical equipment processing and assembly (except special equipment), engaged in technology development, technical consulting, technical services (except special equipment) in the fields of electromechanical, chemical, machinery, and building materials, sales of general machinery, electrical equipment, and metal materials
主营产品：exhibition and display services, convention and exhibition services, building materials, stage construction, hardware and electrical appliances, electromechanical equipment
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