- MAY. 05, 1986   Establishment of PIACO Corporation in Busan Korea.
- OCT. 10, 1988   PIACO in Busan, Korea registered.
- AUG. 16, 1990   Opened PIACO Dalian office in China.
- OCT. 25, 1995   Established JunHu Casting.
- JUL. 20, 2000   Established PIYAKE Valve(Dalian)Co.,Ltd.(Sole Investment)
- NOV. 19, 2003   Approved ISO9001 Certificate from SGS.
- MAR. 03, 2004   Supplied Marine Valve to Dalian Marine Valve Factory.
- MAR. 03, 2006   Approved KR Certificate from Korean Regiser of Shipping.
- JUL. 17, 2008   Supplied Marine Valve to STX Shipbuilding(Dalian)Co.,Ltd.
- FEB. 10, 2009   Suppliede Marine Valve to SSI Shipbuilding(Weihai)Co.,Ltd.
- APR. 27, 2009   Approved ABS Certificate from ABS Register of Shipping.
- JUN. 09, 2015   Established a company of PIA KOREA in Busan Korea.