Your business requires more than just a component supplier; you need a manufacturing partner capable of sustaining large-scale IoT deployments with verified technical precision. Validating the engineering depth of a producer is the only way to safeguard your smart automation projects against hardware failure and supply chain disruptions.
When sourcing an OpenHASP screen manufacturer, the primary challenge lies in distinguishing between assembly traders and true original design manufacturers who own the R&D process. At this stage of your procurement, you are likely navigating the risks of inconsistent component quality—specifically regarding the stability of the ESP32-S3R8 main control and the reliability of external PSRAM during heavy graphical loads. Working directly with Shenzhen Jingcai Intelligent Co., Ltd. eliminates these uncertainties by providing transparent access to our specialized GUITION production lines, where we oversee every aspect of the HMI hardware lifecycle.
Our core manufacturing strength is reflected in the technical integration of the ESP32-4848S040C_I_Y_1 model. By utilizing a dual-core MCU running at 240MHz with 8MB PSRAM and 16MB Flash, we ensure the OpenHASP screen hardware exceeds the requirements for rendering complex LVGL widgets and JSONL scripts. The 4-inch 480*480 capacitive touch display is housed within a custom-designed PCB that includes dedicated backlight control and touch screen management circuits. This level of hardware-software synergy allows your development team to leverage Arduino IDE, ESP IDE, or Micropython with the assurance that the hardware is optimized for low-latency performance in professional IoT hardware environments.
Credibility is anchored in our adherence to global regulatory standards, including CE, RED, and FCC certifications, which serve as a baseline for our quality control protocols. Our factory implements rigorous touch digitizer linearity testing and Wi-Fi signal stability benchmarking to ensure every OpenHASP screen performs reliably in high-density MQTT environments. By providing full documentation for the IO port interfaces and TF card expansions, we enable your engineers to conduct thorough technical audits before committing to volume orders.
Compare our factory-direct specifications and certification datasets to validate the production capacity required for your enterprise HMI solutions. The high-resolution square capacitive panel delivers consistent visual clarity for modern smart home and industrial monitoring interfaces.
As a premier HMI solution provider, Shenzhen Jingcai Intelligent Co., Ltd. has established itself as a cornerstone in the IoT display industry since our founding in 2021. Based in the global technology hub of Shenzhen, we operate as a specialized manufacturer dedicated to bridging the gap between advanced hardware and open-source software through our flagship brand, GUITION. We serve a diverse global clientele, ensuring that every OpenHASP screen we produce is backed by a legitimate, physical manufacturing infrastructure capable of high-volume delivery.
Our technical strength is anchored in high-performance hardware architecture, exemplified by our ESP32-4848S040C_I_Y_1 model. This 4-inch square capacitive touch module utilizes the ESP32-S3R8 dual-core MCU, reaching a main frequency of 240MHz with 16MB Flash and 8M PSRAM. This specific hardware synergy is engineered to handle the complex graphical demands of OpenHASP firmware and LVGL widgets without memory bottlenecks. As an OpenHASP screen manufacturer, our production facility implements rigorous quality control, including PSRAM integrity tests and Wi-Fi RSSI stability checks, to prevent the common failures found in unverified suppliers.
To guarantee global market compliance and operational safety, our modules are fully certified with CE, RED, and FCC credentials. These certifications, combined with our support for development in Arduino IDE, ESP IDE, and MicroPython, ensure that our partners receive industrial-grade equipment that meets international standards. Contact our engineering team today to request a factory audit report or a detailed technical specification sheet for your next deployment.
✅ Established 2021 Certified Factory
✅ CE, RED, FCC Compliant
✅ High-Performance ESP32-S3R8 Architecture
✅ Industrial-Grade QC Testing Standards
✅ Professional HMI Technical Support

B2B buyers frequently encounter the challenge of transitioning from initial OpenHASP prototypes to stable, mass-produced industrial hardware without sacrificing component quality or firmware compatibility. Selecting a reliable manufacturer requires more than just hardware specifications; it demands a partner with deep R&D roots and rigorous testing protocols for specialized ESP32-S3 architectures. GUITION addresses these critical procurement risks as an OpenHASP screen manufacturer by providing a vertically integrated production model that ensures consistent performance, high-resolution visual clarity, and long-term hardware availability for global automation infrastructure.
15,000 m² | State-of-the-Art Manufacturing Facility
200,000+ | Units Monthly Production Capacity
15+ | Years of Industrial HMI R&D Experience
100% | Pre-shipment MQTT Stability Testing
The integrated ESP32-S3 module provides a robust foundation for high-resolution industrial interfaces.
Address:Room 701, Building A, Chengtou Technology Building, Guansheng 1st Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen City
Telephone:+8618665846730
Email:david@guition.com
WhatsApp:8618665846730