No.1. Zhaoxin Innovation GigoDevice

In 2023, the operating revenue of Zhaoxin Innovation was 5.761 billion yuan, with MCU business revenue accounting for 1.317 billion yuan.

Zhaoxin Innovation (stock code 603986.SH) is a leading global fabless chip supplier, established in April 2005 with its headquarters in Beijing, China. It is a well-known domestic supplier of general-purpose Arm MCUs, offering over 48 series and more than 600 models, with a cumulative shipment of over 1.57 billion units.

The company's MCU chips are mainly based on ARM Cortex-M series and RISC-V cores, covering process technologies such as 110nm, 55nm, 40nm, and 22nm, leading the industry.

No.2. Zhongying Electronics

In 2023, Zhongying Electronics achieved operating revenue of 1.3 billion yuan, with industrial control and consumer electronics business revenue of 1.014 billion yuan and 287 million yuan, respectively.

Zhongying Electronics (stock code 300327.SZ) was established in July 1994 and listed on the Shenzhen Growth Enterprise Market. Its main business is the design and sales of self-branded chips, along with providing corresponding system solutions and technical support services. Its MCU products are primarily 8-bit, mostly using the 8051 core, targeting small and white goods, power management, motor control, and smart meters. Most of the company's new MCU products use 55nm process technology. In 2023, Zhongying Electronics launched its first automotive-grade MCU product and achieved sales.

No.3. Cmsemicon

In 2023, Cmsemicon's operating revenue was 714 million yuan, with chip business revenue of 710 million yuan. The company's total shipment in 2023 was 1.8 billion units, including nearly 1.4 billion MCUs, with over 1.27 billion 8-bit MCUs and over 130 million 32-bit MCUs.

Cmsemicon (stock code 688380.SH) was established in 2001 and is a platform-based chip design company focused on MCU, specializing in the research, development, design, and sales of mixed-signal chips and analog chips. Its main products include 8-bit and 32-bit MCUs, SoCs, ASICs, and power devices, widely used in household appliances, consumer electronics, industrial control (including brushless motor control), and automotive electronics.

No.4. Espressif

In 2023, Espressif achieved operating revenue of 1.433 billion yuan, with module and chip business revenues of 871 million yuan and 547 million yuan, respectively.

Espressif (stock code: 688018.SH) is a global fabless semiconductor company founded in 2008, focusing on the research and design of high-integration, low-power, high-performance, secure, stable, and cost-effective wireless communication SoCs for the IoT field. It has released the ESP8266, ESP32, ESP32-S, ESP32-C, and ESP32-H series of chips, modules, and development boards. As of 2023, Espressif's cumulative global shipments of IoT chips exceeded 1 billion units. According to the company's annual report, Espressif's direct overseas sales accounted for 26.03% of the revenue in 2023, but a large number of downstream products are still exported, with an estimated overseas demand accounting for 60-70% of the overall business.

No.5. Geehy Semiconductor

In 2023, Geehy Semiconductor achieved operating revenue of 1.422 billion yuan, with chip sales of 488 million units, a year-on-year increase of 6.8%. The sales volume of non-printing consumables chips increased by 19.82%.

Geehy Semiconductor, a subsidiary of Nasida Co., Ltd. (stock code 002180.SZ), is an integrated circuit design enterprise dedicated to developing industrial/automotive-grade microcontrollers, analog mixed-signal ICs, and system-level chips. In 2023, Geehy Semiconductor successively launched multiple products: in the mid-to-high-end industrial field, it launched the highly adaptable APM32F411 series MCU, the value-for-money APM32F465 series MCU, and the APM32F035 series motor control special MCU; in the automotive electronics field, it launched the new generation G32A1445 series automotive general-purpose MCU and the domestic-first GURCO1 series ultrasonic sensor and signal processor.

No.6. Nation Technology

In 2023, Nation Technology achieved operating revenue of 1.037 billion yuan, with chip product business revenue of 417 million yuan.

Nation Technology (stock code 300077.SZ) is a general MCU and security chip enterprise and a national high-tech enterprise. Its main products include general MCU, security chips, trusted computing chips, smart card chips, Bluetooth chips, and RCC innovative products. In February 2023, the company's universal, hardware-secure, and automotive-grade high-reliability MCU entered mass production, marking the release of the company's first mainstream automotive-grade MCU product compliant with the AEC-Q100 automotive standard. The company has developed multiple MCUs based on ARM Cortex M0, M4, and M7 cores, with plans to complete the product layout from M0 to M7 by 2024.

No.7. Shanghai Belling

In 2023, Shanghai Belling achieved operating revenue of 2.137 billion yuan, a year-on-year increase of 4.54%, with MCU-related business revenue of 340 million yuan.

Shanghai Belling's integrated circuit product business is focused on the power chain (power management, power devices, motor drive business) and the signal chain (data converters, dedicated power chips, IoT front-end, non-volatile memory, standard signal product business), mainly targeting markets such as automotive electronics, industrial control, photovoltaic, energy storage, energy efficiency monitoring, power equipment, optical communication, home appliances, short-range transportation, high-end and portable medical devices, and other consumer applications. The company's R&D expenditure in 2023 was 360 million yuan, a significant increase of 39.5%, and it has introduced nearly 400 new products, with a current portfolio of over 3,300 products available for sale. Additionally, the number of R&D personnel increased from 368 at the end of 2022 to 465 at the end of 2023.

No.8. Fiaths Teefr Technology

In 2023, Fiaths Teefr Technology achieved revenue of 4.11 billion yuan, a year-on-year increase of 27.37%, with MCU-related business revenue of 2.75 billion yuan.

Fiaths Teefr (stock code: 688279.SH) was established in 2010 as a professional semiconductor company specializing in motor drive chip technology, dedicated to providing high-quality drive and control chips for various motor systems, along with consultancy services for motor technology. The company continues to focus on BLDC motor applications, with its products widely used in smart home appliances, white goods, cooling fans, power tools, transportation, industrial, and automotive fields.

No.9. Fudan Microelectronics

In 2023, Fudan Microelectronics achieved revenue of 3.536 billion yuan, almost flat compared to the previous year. The revenue from smart meter chip MCU products was 273.8 million yuan, a decrease of 53.98% from the previous year's 595 million yuan.

Fudan Microelectronics (SSE stock code: 688385.SH; HKEX stock code: 01385.HK) is a professional company engaged in the design, development, production (testing), and provision of system solutions for ultra-large-scale integrated circuits in China. The company has established product lines for secure and identification chips, non-volatile memory, smart meter chips, FPGA chips, and integrated circuit testing services. The smart meter chip product line mainly includes smart meter MCUs and general low-power MCUs. In 2022, Fudan Microelectronics achieved impressive revenue of 595 million yuan in smart control MCU business, surpassing Nasida Co., Ltd., and becoming the third-largest MCU revenue company among listed companies in mainland China.

No.10. HiTrondtech

In 2023, HiTrondtech achieved revenue of 603 million yuan, a 15.05% decrease compared to the previous year. The revenue contribution of MCU chip products accounted for 35% of the total revenue, approximately 211 million yuan, a 22.14% decrease from the previous year's 271 million yuan.

HiTrondtech (stock code: 688391.SH) is a high-tech enterprise dedicated to integrated circuit design, development, and sales, with its main products including metering chips related to smart meters, MCUs, power line carrier chips, and BMS chips. By the end of 2023, according to domestic power grid tenders and customs export data, HiTrondtech's three-phase metering chip shipments have consistently ranked first in the domestic public procurement market, and single-phase SoC chip shipments have gradually become prominent in the export market. Single-phase metering chips and smart meter MCU chips continue to rank high in the domestic public procurement market. In terms of sales volume, HiTrondtech sold 41.7639 million MCU chips in 2023, a decrease of 18.01% compared to the previous year; the inventory of MCU chips was 8.5334 million units, a year-on-year increase of 120.97%. The inventory growth of MCU chips was relatively significant.