主营产品：Zhengzhou Alishi's main business includes: LCD monitors, large LCD splicing screens, indoor small-pitch LED full-color screens, multi-screen processors, matrix switchers, signal distributors, etc.
主营产品：The company's business scope: vehicle-mounted advertising machines, building advertising machines, digital signage advertising machines, online advertising machines, shopping mall advertising machines, GPS station reporting machines, vehicle-mounted monitors and a series of LCD products
主营产品：Spherical LED display, LED display rental, outdoor advertising LED display, stage background LED display, sports venue LED display, traffic guidance LED display, information release LED display, LED car screen, LED floor screen, LED lintel Screen
主营产品：Development and sales of electronic products, touch screens, touch screen control panels, touch chips and peripheral accessories, vehicle electronic accessories, technology development and sales of computer software and hardware, domestic trade, import and export business
主营产品：Pressure sensors, pressure transmitters, liquid level sensors, liquid level transmitters, pressure control instruments; weighing sensors, weighing transmitters, weighing control instruments; temperature sensors, temperature transmitters, temperature control instruments, etc.
主营产品：Shenzhen Caineng Optoelectronics Technology Co., Ltd. develops and manufactures LED display products with a complete range of products and a diversified product structure, including: --LED display series covering indoor and outdoor, including: 1. Rental products; 2. Billboards; 3. Highway sign; 4. Heterosexual color screen; 5. Stadium screen; widely used in various public places, such as commercial plazas, government agencies, sports venues, transportation facilities, financial institutions, etc.
主营产品：Outdoor LED large screen, indoor LED unit board, car LED billboard, advertising LED screen, sports LED fence screen, rental LED, stage LED screen, energy-saving LED full color screen.
主营产品：Repair all kinds of inverter, repair all kinds of servo, repair all kinds of PLC, repair all kinds of touch screen, repair all kinds of CNC system, supporting the complete set of electric cabinet
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