As a professional organization with nearly three decades of experience in the electronic component recycling industry, Shenzhen Mingjiada Electronics Co., Ltd. has long been purchasing the full range of Espressif Systems (688018.SH) Wi-Fi SoC chips and module products at competitive cash prices for the global market, providing efficient and trustworthy inventory liquidation solutions for electronics manufacturers, distributors, and end-users.
About Shenzhen Mingjiada Electronics Co., Ltd.
Founded in 1996, Shenzhen Mingjiada Electronics Co., Ltd. is a one-stop supply chain service provider integrating electronic component distribution and recycling services. The company operates service centers in Shenzhen, Hong Kong, Japan, Russia, Taiwan, Europe, and the United States. With strong financial resources, a professional evaluation team, and an excellent commercial reputation, the company has earned the trust of numerous manufacturing clients worldwide and established long-term, stable partnerships.
Mingjiada Electronics has long been dedicated to purchasing surplus electronic component inventory from manufacturers, distributors, and individuals. Our procurement portfolio covers a wide range of product lines, including 5G chips, new energy ICs, IoT ICs, automotive-grade ICs, microcontrollers, sensors, power management chips, Wi-Fi chips, and wireless communication modules. Adhering to the service philosophy of “Integrity, High Prices, Professionalism, and Efficiency,” the company offers flexible transaction methods such as cash payment, on-site pickup, consignment sales, and inventory clearance to help clients quickly reduce inventory, alleviate storage pressure, and recover capital.
Espressif Systems: A Global Leader in IoT Wireless Communication SoCs
Espressif Systems is a globally renowned provider of AIoT solutions, specializing in the R&D and design of high-performance, low-power wireless communication SoC chips. The company’s product portfolio includes the ESP8266 and ESP32 series, as well as next-generation Wi-Fi 6/6E chips, which are widely used in IoT applications such as smart home, industrial automation, consumer electronics, smart wearables, and edge computing.
Espressif Systems continuously drives product iteration and technological innovation. Centered on its “Processing + Connectivity” product strategy, the company has established a comprehensive SoC product portfolio ranging from low-power to high-performance solutions. The following are the core product series of Espressif Systems that Mingjiada Electronics has prioritized for acquisition:
1. ESP32-S Series: High-Performance AIoT SoC
ESP32-S3: Integrates 2.4 GHz Wi-Fi and Bluetooth Low Energy (Bluetooth LE 5.0), features an Xtensa 32-bit LX7 dual-core processor with a clock speed of up to 240 MHz, and includes 512 KB of SRAM. It offers powerful AI computing capabilities and a rich array of peripheral interfaces, specifically designed for the AIoT market.
ESP32-S31: Espressif’s latest high-performance dual-core RISC-V AIoT SoC released in 2026, with a clock speed of up to 320 MHz. It supports multi-protocol connectivity including 2.4 GHz Wi-Fi 6, Bluetooth 5.4 (including LE and classic), IEEE 802.15.4 (Thread & Zigbee), and Gigabit Ethernet MAC, and fully supports the Matter protocol. The chip integrates rich human-machine interaction resources, including a DVP camera interface, LCD display interface, JPEG codec, and 2D graphics accelerator, making it suitable for consumer and industrial devices, smart speakers, voice-controlled terminals, and automation systems.
II. ESP32-C Series: Cost-Effective Wi-Fi 6 SoC
ESP32-C61: Espressif’s first mass-produced Wi-Fi 6 SoC, integrating 2.4 GHz Wi-Fi 6 (802.11ax) and Bluetooth 5 (LE). It features a single-core RISC-V processor with a 160 MHz clock speed and includes 320 KB of SRAM and 256 KB of ROM. It supports core Wi-Fi 6 features such as OFDMA, TWT, and MU-MIMO, reducing latency and extending battery life, making it suitable for deployment in various scenarios including smart devices, edge computing, and Mesh networks.
ESP32-C3: A cost-effective RISC-V SoC designed for secure IoT applications. With its compact size and low-cost design, it meets the connectivity needs of simple IoT devices.
III. ESP32-E Series: High-Performance Wi-Fi 6E Wireless Connectivity
ESP32-E22: Espressif’s first tri-band Wi-Fi 6E wireless connectivity coprocessor, offering full support for 2.4 GHz, 5 GHz, and 6 GHz Wi-Fi 6E. It features a proprietary dual-core 500 MHz RISC-V processor and combines advanced technologies such as 160 MHz ultra-wide bandwidth, 2×2 MU-MIMO, and beamforming to achieve a maximum data rate of 2.4 Gbps. The chip integrates a dual-mode controller supporting both Classic Bluetooth and Bluetooth 5.4 Low Energy. Through high-speed interfaces such as PCIe 2.1 and SDIO 3.0, it can be flexibly paired with Espressif’s own SoCs or third-party host processors, making it suitable for high-performance scenarios such as high-speed streaming, wireless video links, smart home hubs, industrial automation, and AR/VR accessories.
IV. ESP32-H Series: Ultra-Low-Power Bluetooth SoC
ESP32-H4: A dual-core ultra-low-power RISC-V SoC that integrates Bluetooth 5.4 (LE) and IEEE 802.15.4 dual wireless connectivity. Certified for Bluetooth 6.0, it supports advanced features such as LE Audio, sub-rate connections, and direction-finding capabilities, targeting long-battery-life applications such as wearable devices, healthcare, and remote sensors.
ESP32-H2: A versatile low-power Bluetooth and IEEE 802.15.4 dual-mode module with a rich array of peripheral interfaces, suitable for IoT applications such as embedded systems, smart home devices, and wearable electronics.
V. Classic ESP32 Series Products
ESP32-D0WD-V3: A single-chip solution integrating 2.4 GHz Wi-Fi and Bluetooth dual-mode, manufactured using TSMC’s low-power 40-nm process. It offers exceptional RF performance, stability, versatility, and reliability, making it suitable for a wide range of IoT applications. The lifecycle of legacy products such as the ESP8266 and ESP32 continues to be extended, and they still contribute stable revenue to the market today.
Why Choose Mingjiada Electronics
High-Priced Cash Buyback: Based on global market trends, we offer industry-leading competitive quotes to ensure maximum value for your inventory.
Professional Evaluation Team: Our team of senior engineers provides free inspection services to quickly identify chip models, batches, packaging, and quality conditions, ensuring accurate quotes.
Fast Payment: Payment is completed within 48 hours after inspection, ensuring high cash flow efficiency.
Flexible Transactions: We support various models including cash payment, on-site purchases, consignment sales, and inventory clearance to meet the diverse needs of our clients.
Global Network: With service locations in Shenzhen, Hong Kong, Japan, Europe, and the Americas, we ensure rapid, localized response times.
Safe and Reliable: We only accept goods from legitimate sources such as distributors, traders, and end-user factories to ensure transaction compliance and protect client rights.
Purchase Process
Inventory Sorting: Customers preliminarily sort the Espressif Systems chips or modules to be sold, confirming specific model numbers, quantities, batch numbers, and other details.
Submit Inventory List: Send the inventory list via fax or email to the Mingjiada Electronics evaluation team.
Quotation Evaluation: Our professional team reviews the chip models, quantities, and market conditions to provide a quotation.
Confirm Transaction: Once both parties reach an agreement, the transaction method is finalized.
Logistics and Delivery: The customer ships the materials to Mingjiada’s designated warehouse; payment is processed after inspection.
Contact Information
Shenzhen Mingjiada Electronics Co., Ltd. sincerely welcomes all customers to contact us via phone or email to discuss the purchase of Espressif Systems Wi-Fi SoC chips.
Contact: Mr. Chen / Evaluation Team
Mobile: +86 13410018555
Phone: 86-755-83294757
Email: sales@hkmjd.com
Website: https://www.integrated-ic.com/
Address: Rooms 1239-1241, New Asia Guoli Building, Zhenzhong Road, Futian District, Shenzhen, Guangdong Province
Shenzhen Mingjiada Electronics Co., Ltd. has always adhered to the service philosophy of “integrity in business and win-win cooperation.” With professional expertise, reasonable pricing, and efficient processes, we provide the highest quality electronic component recycling services to global electronics companies. If you have inventory of Espressif Systems’ full range of Wi-Fi SoC chips and modules that needs to be disposed of, please feel free to contact us at any time!
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