1969 - Established Yung Sheng Gas Appliance Co., Ltd. in Taiwan.
1990 - Established Unity Gas Appliance M）SDN. BHD. in Malaysia
1992 - Established PT. Winn Appliance.- in Indonesia
1999 - Regulator Certified by UL
2001 - Established ILLIDA Gas Appliance Co., ltd. in China
2003 - ILLIDA completed ISO 9001:2000 Certification, Regulator Certified by CSA / AGA
2005 - Established Leetron Gas Appliance Co., Ltd. iIn China
2008 - ILLIDA completed ISO 9001:2008 Certification
2011 - Signing Agreement with French Clesse company to be OEM for Clesse Get the French NF gas regulator certification
2013 - Regulator Certified by EN
2018 - ILLIDA completed ISO 9001:2015 Certification