History
Scope of service
Parent companies
Policy of Quality, Environmental, Health and Safety
 

1992
¡E Established in May, by joint venture between Taiwan Cement Corporation and Onyx (VEOLIA Environnement Group)
1995
¡E Through its subsidiary ¡Ð Onyx Ta-Ho Waste Clearance Co.¡Ð stepped into waste collection market in Taiwan
1996
¡E Awarded 6-year operation and management contract of ShuLin Incineration Plant located in New Taipei City
1997
¡E Awarded 6-year operation and management contract of TaiChung City Incineration Plant
1998
¡E Awarded 6-year operation and management contract of ChiaYi City Incineration Plant
¡E ShuLin and TaiChung City plants are the first two incineration plants worldwide accredited with ISO 14001 environmental management certification
1999
¡E With its subsidiary ¡V Onyx Ta-Ho Energy Recovery Co.¡Ð stepping into liquid industrial waste treatment market in Taiwan
2000
¡E Obtained ISO 9002 and ISO 14001 multi-site certifications
¡E Award of 20-year BOO contract of TaiTung Incineration Plant
2001
¡E Award of 20-year BOO contract of YunLin Incineration Plant
  ¡E Awarded a 20-year contract to operate and manage LuTsao Incineration Plant located in ChiaYi County
2003
¡E Successfully won the renewal of TaiChung City Incineration Plant operation and management contract for 15 years
2004
¡E Successfully won the renewal of ChiaYi City Incineration Plant operation and management contract for 15 years
2005
¡E Award of 20-year operation and management contract of LiTzer Incineration Plant, YiLan County
2007
¡E Award of 15-year operation and management contract of BaLi Incineration Plant, New Taipei City
2008
¡E Award of 20-year operation and management contract of YongKang Incineration Plant, TaiNan City