SPG

SPG makes robot reducers and geared actuator components. Its reducer technology is used in the waist, hip and ankle drive modules of KIMM's KAIROS humanoid prototype.

Category: Gears and reducers
Country: South Korea
Founded: 1991
Reported customers: 1Named by the press or the companies
Robots: —Not published
Listed: 058610 (KOSDAQ)Stock market

spg.co.kr All suppliers

What it makes

From the company's own description and the sources below.

Makes: Strain-wave, planetary and cycloidal reducers and drive components for robot joints.
Parts: Harmonic reducer, Planetary reducer, Cycloidal reducer, Joint actuator module
Tier: Components
Founded: 1991
Listed: 058610 (KOSDAQ)
Products: KSH strain-wave reducers, KSR cycloidal robot reducers, Planetary gearheads, SDD robot actuators

Reported customers

Supply deals and partnerships as reported by the companies or the press.

Korea Institute of Machinery & MaterialsKAIROSreducer technology used in standard joint drive modules · 2026-09
SPG's announced contribution is incorporated in KAIROS waist, hip and ankle modules under its humanoid actuator development agreement with KIMM. The Asia Business Daily

Sources

Where each fact on this page comes from.

SPG SPG products and company site The Asia Business Daily SPG Applies Precision Reducer Technology to Standard Drive Module of KIMM AI Humanoid KAIROS Korea Exchange (KRX) SPG corporate information

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