Hyoshin Mechatronics also called Autosigma as our brand was established in 1984. We have committed to valve industry and expanded our business area more than four decades so far.

Autosigma is the very first and the only valve manufacturer in South Korea for agricultural irrigation, which is inevitable for smart-farm era.

After launching our products, we gradually supply our products to not only domestic markets but also international ones.

Product Lists for Agricultural Irrigation

* Solenoid Valves (Pilot operated)

* Solenoid Valves for Fertigation Machine (Direct Acting)

* Water-leveling Valves (Coming with Ball-floating Valves)

* Relief Valves

* Flow Meter

We are here to find reliable partners for the future business.

Our specialists warmly welcome your inquiries.

Please contact us at sale@hyoshin.co.kr