The following is a combing of the core supply chain of the humanoid robot industry chain, classified according to the technical path and ecological layout, and the key logic is refined:

1. Tesla Chain (T Chain) - Actuator and Thermal Management

Sanhua Intelligent Control (002050).

Core advantages: the global market share of thermal management components exceeds 35% (monopoly of electronic expansion valve technology); The only supplier of Tesla Optimus actuator assembly.

Availability: Thermal management components are available in batches; The actuator assembly will be mass-produced and delivered in 2024.

Green harmonics (688017).

Core advantages: the domestic harmonic reducer market share exceeds 60% (breaking the monopoly of Japan's Harmony Co., Ltd.); Tesla harmonic reducer for one.

Supply status: Orders will account for more than 50% in 2024.

Tuopu Group (601689).

Core advantages: the world's top three automotive lightweight chassis manufacturers; Self-developed rotary actuator technology (exclusive supplier of Tesla).

Supply status: Mass production of rotary actuators in 2024, with a single vehicle value of more than 10,000 yuan.

Keli Sensing (603662).

Core advantages: the only enterprise in China that produces six-dimensional torque sensors (the accuracy is benchmarked against ATI in the United States).

Supply status: In 2025, it is expected to become a supplier of the T chain (now in small batch verification).

2. Huawei Chain (H Chain) - AI + HarmonyOS Ecosystem

iFLYTEK (002230).

Core advantages: Chinese voice interaction market share exceeds 80%; Exclusive supplier of HarmonyOS robot voice module.

Availability: Adapted to Huawei's voice interaction system.

Zhongda (002896).

Core advantages: The domestic market share of collaborative robot planetary reducer exceeds 40% (cost-effective crushing foreign capital).

Supply status: In 2023, it will enter Huawei's supply chain, and its share will increase steadily.

Leisai Intelligent (002979).

Core advantages: stepper motors are among the top three in the world, and the servo system is deeply bound to Huawei's ecosystem.

Availability: Servo motors will be delivered in batches from 2024.

Kingfa Technology (600143).

Core advantages: The market share of special engineering plastics exceeds 50% (replacing metals to reduce weight by 30%).

Supply status: Mass production of lightweight shells for robots in 2024.

3. Unitree Chain - Lightweight and Motion Control

CATL (300750).

Core advantages: 37% of the global power battery market; Exclusive supply of 500Wh/kg high-density batteries.

Availability: Exclusive from 2023 onwards, with a 40% increase in battery life.

Obi Nakako (688322).

Core advantages: domestic 3D vision sensor leader (depth camera accuracy up to millimeter).

Supply status: It has been installed in Unitree robot products in batches.

Eston (002747).

Core advantages: domestic industrial robot leader, high-precision servo control technology breakthrough.

Supply status: Joint development of humanoid robot actuators in 2024.

Fourth, the common link of the whole industry chain

Qinchuan machine tool (000837).

Core advantages: the only breakthrough in domestic RV reducer (technology is close to Japan's Nabtesco).

Supply status: Samples are being sent to Tesla and Huawei for verification.

HCFA Technology Co., Ltd. (688320).

Core advantages: the domestic substitution rate of frameless torque motors exceeds 80%; Covering Tesla (two supply) and Huawei (one supply).

Quectel (603236).

Core advantages: The global market share of IoT communication modules exceeds 30% (leading 5G technology).

Supply status: Potential Tesla and Huawei communication modules are supplied.

5. Hidden Champions

Hanwei Technology (300007).

Core advantages: the world's top five gas sensor manufacturers (pressure sensor accuracy 0.01%FS).

Supply status: Tesla B sample verification passed.

Zhongfu Condor (688295).

Core advantages: domestic carbon fiber faucet (T800 level technology monopoly).

Supply status: Small batch supply Unitree, Tesla verification.

Key logic refinement

The only option for domestic substitution

Green harmonic (harmonic reducer), Keli sensor (six-dimensional torque sensor), Zhongfu Shenying (carbon fiber).

Highest certainty in mass production :

Sanhua Intelligent Control (Actuator), Tuopu Group (Rotary Joint), CATL (Battery).

Eco-binding beneficiary

HCFA Technology (dual-chain coverage), Leisai Intelligent (Huawei servo), Quectel Communications (communication module).

(Redirected from: Little Doctor of Finance).