Coolmay 4.3 inch TK8037H HMI touch screen RS485 RS232 320*240 supports Modbus TCP for automation control system

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➤About Us

Founded in March 2006, Coolmay stands as a premier brand in industrial automation, serving over 10,000 customers across 200+ countries. Our team of 200+ global professionals, including 40+ R&D specialists, has completed 55,000+ projects and secured 60+ intellectual property rights. We deliver advanced, reliable solutions—PLC,HMI+PLC all-in-one machines, HMI, power supply, servodrives, stepperdrives, VFDs, and loT modules—engineered for precision and efficiency in smart manufacturing.

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➤ Certifications

Coolmay products are fully compliant with CEand RoHS regulations, and are manufactured under ISO 9001-certified quality management systems.

➤Payment Methods

We accept a variety of secure payment methods on AliExpress, including Western Union, WeChat,AliPay, and PayPal (where available), as well as international bank transfers (T/T). All transactions are protected under AliExpress Buyer Protection for your peace of mind.

➤Warranty & After-Sales Service

1. 18-Month Manufacturer Warranty

Covers hardware defects and system malfunctions under normal use.

2. Lifetime Technical Support

Remote assistance available for configuration, firmware, and integration.

3. Returns & Exchanges

For damaged shipments, please contact us within 3 days with photo evidence.

➤Contact Us Anytime

Feel free to reach out for support, documentation, or firmware files. We will respond within 24 hours.

WhatsApp: +86 199-2529-1353,WeChat: +86 199-2529-1353