The Joint Rehabilitation Robot for Upper and Lower Limbs ecosystem spans from upstream component sourcing through midstream system integration to downstream delivery and clinical use. Raw‑material and sensor manufacturers supply actuators, force‑feedback elements, and lightweight alloys that enable precise joint articulation. Technology providers embed control algorithms, AI‑driven motion planning, and safety‑critical firmware, creating the intellectual core of the robot. Original equipment manufacturers (OEMs) assemble these parts into compliant therapeutic platforms, while system integrators configure patient‑specific software stacks and ensure interoperability with hospital IT. Distributors and channel partners manage regional logistics, regulatory filings, and sales outreach, linking the product to rehabilitation centers, hospitals, and home‑care providers. End users—clinicians, therapists, and patients—generate value by applying the devices in prescribed protocols, feeding performance data back into the development loop.