Upstream / Midstream / Downstream of the Industry Chain

A way of splitting an industry into components, complete products, and end applications, following the order of production.

In embodied AI and humanoid robotics, “upstream” refers to core components and foundational hardware and software — reducers, motors, screws, sensors, chips, dexterous hands; “midstream” refers to body makers, which integrate those components into a complete robot along with control software and models; and “downstream” refers to application scenarios and customers, such as auto factories, logistics, commercial services, or research and education. Brokerage research reports, policy documents, and investment news commonly use this three-part split to analyze where the profit sits and where the technology is bottlenecked, or “choked.” For a newcomer, this framework is a quick way to place a company: a joint-module maker sits upstream, a complete-robot maker sits midstream, and a company doing scenario integration and operations for factory customers sits downstream.

ExampleLeaderdrive makes harmonic reducers and sits upstream; UBTech builds complete Walker S-series humanoid robots and sits midstream; an automaker that buys humanoid robots for its factory floor sits downstream.

Also called

Upstream Components / Midstream Bodies / Downstream Applications

Related

Core Components · Robot Body Maker · Scenario Owner (End Customer) · System Integrator · Domestic Substitution · Per-Unit Content Value

Sources

新华网：一文了解人形机器人产业链（2025-11-21） (Chinese)
Supply chain - Wikipedia