Your business stability depends on a supplier who actually builds the hardware and provides direct technical support. Ensuring your HMI components come from a verified Secondary development display manufacturer reduces long-term risks, eliminates hidden integration costs, and secures your supply chain for the entire product lifecycle.
Selecting the right hardware for a complex HMI project often involves navigating a sea of resellers who lack deep technical understanding or long-term accountability. For engineers and procurement teams, the risk of adopting a Secondary development display only to find insufficient technical documentation or unstable firmware can derail an entire product launch. Verification of a manufacturer’s internal R&D capabilities and production scale is the only way to guarantee that the hardware will survive the transition from prototype to mass production without catastrophic technical failures.
Shenzhen Jingcai Intelligent Co., Ltd. addresses these concerns by providing the GUITION series, notably the JC2432W328N model, which acts as a robust Secondary development display solution for diverse industrial needs. This module is powered by a high-performance ESP32 dual-core MCU reaching 240MHz, integrating 520KB SRAM and 4MB Flash to handle demanding GUI rendering and serial communication tasks locally. Unlike generic modules, it features built-in Wi-Fi and Bluetooth, a 240x320 resistive touch screen, and specialized interfaces like DHT11 and TF card slots, enabling embedded systems to work seamlessly within Arduino IDE, ESP IDE, or Micropython environments.
As a dedicated manufacturer, the factory maintains rigorous quality control protocols backed by CE, RED, and FCC certifications, ensuring every Secondary development display meets international standards for electromagnetic compatibility. The production facility operates with automated precision to maintain high yield rates, providing the hardware transparency required by the medical and automotive sectors. Direct factory control allows for long-term component availability and direct engineering support for the firmware nuances of the ESP32 architecture, which is crucial for complex system integration.
Comparing technical documentation and factory credentials provides the necessary security before committing to a long-term HMI solution. Direct factory access ensures that every module undergoes specialized testing to meet the rigorous demands of industrial HMI environments.
Since its establishment in 2021, Shenzhen Jingcai Intelligent Co., Ltd. has solidified its position as a specialized Secondary development display manufacturer of high-performance Secondary development displays, bridging the gap between complex hardware and user-centric HMI solutions. As a verifiable industry player, we operate under our flagship brand, GUITION, delivering robust intelligent modules like the JC2432W328N that serve as the backbone for demanding industrial and IoT applications. Our technical prowess is anchored by the integration of the ESP32 dual-core MCU, featuring a main frequency of 240MHz and a comprehensive suite of onboard resources including Wi-Fi, Bluetooth, and resistive touch controllers.
We know that buying from a business-to-business (B2B) company needs more than just specifications. It needs a partner with a track record of compliance and manufacturing discipline. Our production methods are completely in line with international standards, and they are backed by CE, RED, and FCC certifications to make sure they work well in markets around the world. We show that we can make high-density, multifunctional hardware that works with Arduino IDE, ESP-IDF, and Micropython by putting 4MB of Flash and 520KB of SRAM into a small 2.8-inch module. Jingcai Intelligent has been growing steadily for over three years and has successfully deployed its products in a wide range of industries. It provides the steadiness and engineering openness needed for long-term strategic relationships. You are welcome to look at our technical documents and workplace audit reports to see how big our production is and how committed we are to doing a great job.
✅ Certified Manufacturer Since 2021
✅ CE, RED & FCC Compliance
✅ High-Performance ESP32 Core
✅ Full Development Ecosystem Support
✅ Verified Industrial HMI Partner

Selecting a Secondary development display manufacturer that balances cutting-edge MCU integration with industrial reliability is a critical decision for procurement teams. GUITION addresses this by providing factory-verified secondary development displays powered by dual-core ESP32 technology. Our facility ensures every JC2432W328N module delivers seamless Wi-Fi/Bluetooth connectivity and robust hardware interfaces, offering a certified, scalable solution that minimizes technical risk and accelerates global deployment.
10,000+ m² | Modernized ISO-Certified Production Facility
500,000+ Units | Annual Production Capacity for LCD Modules
25+ | Senior Embedded Hardware and GUI Engineers
Integrated hardware components undergo multi-stage testing to ensure long-term stability in industrial environments.
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