主营产品：Mechanical equipment and accessories, electromechanical equipment and accessories, electrical complete equipment manufacturing and processing, wholesale and retail
主营产品：Used in electronic components, integrated circuits (ICs), electrical appliances, mobile communications, hardware products, tool accessories, precision instruments, glasses and watches, jewelry, auto parts, plastic buttons, building materials, and PVC pipes.
主营产品：Production, research and development, sales and related technical services of laser equipment, optical, mechanical and electrical equipment, instrumentation, electronic products, communication equipment; self-operated and agent import and export business of various commodities and technologies (but the state limits the company's operation or prohibits Excluding imported and exported goods and technology). (Projects with special national approval can only be operated after approval or with a valid license)
主营产品：External card type pipe cutting and beveling machine, planetary type pipe cutting and beveling machine, internal expansion type pipe beveling machine, pipe flattening machine
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SWA-1508 is a handhe
