OS Valve Co.,Ltd.

A global maker providing plug valves and forged valved
for more than 15 years all around the world

Osung Envi-Tech Co.,Ltd.

An official distributor in South Korea of
Norit, Pentair, and Andritz Separation
Collaborate with various global companies

OSC Co.,Ltd.

Provide high quality catalysts to major PTA companies in South Korea
Develop new technologies including waste catalysts recovery and fuel cell catalysts