1977
1986

1977

  • Thai Edible Oil Co., Ltd. was established.
1987
1996

1988

  • Thai Ruam Jai Vegetable Oil Co., Ltd. was founded to expand production capacity for rice bran oil.

1991

  • Thai Edible Oil Co., Ltd. first exported its rice bran oil product to Korea.

1995

  • Thai Ruam Jai Vegetable Oil Co., Ltd. developed advanced extraction technology with technical assistance from German and Belgian engineers.
1997
2006

1997

  • Thai Ruam Jai Vegetable Oil Co., Ltd. incorporated the Electro Mechanical Sample Taker and NIRS (Near-infrared System) into its raw material sampling and quality analyzing system.

1999

  • Thai Edible Oil Co., Ltd. expanded into Singapore and the European Union markets.
  • Thai Edible Oil Co., Ltd. attained Halal certification.

2000

  • Thai Ruam Jai Vegetable Oil Co., Ltd. exported crude rice bran oil to Japan.

2001

  • Thai Edible Oil Co., Ltd. entered into the U.S.A market.
  • Thai Ruam Jai Vegetable Oil Co., Ltd. expanded its annual extraction capacity to 200,000 metric tons of rice bran, making it one of the largest rice bran oil extraction plants in the world.

2002

  • Thai Edible Oil Co., Ltd. exported to Japan and Australia.
  • Thai Edible Oil Co., Ltd. is the first vegetable oil company in Thailand to achieve the GMP and HACCP certifications from SGS (Thailand) Co., Ltd.

2004

  • Thai Edible Oil Co., Ltd. is the first vegetable oil manufacturer to have been awarded as one of the heart-friendly products from the "Thai Food Good Heart" Project organized by The Heart Foundation of Thailand under the Royal Patronage and Faculty of Public Health, Mahidol University.
  • Thai Ruam Jai Vegetable Oil Co., Ltd. attained the GMP and HACCP from the Department of Livestock Development, Thailand. It also achieved ISO 9001:2000 certification from SGS (Thailand) Co., Ltd.

2005

  • Thai Ruam Jai Vegetable Oil Co., Ltd. advanced its quality management system and attained ISO 9001:2000 certification.

2006

  • Thai Edible Oil Co., Ltd. was the winner of the National Innovation Awards in Economic Category for King Rice Bran Oil – High Oryzanol (4000 ppm).
2007
2016

2008

  • Thai Edible Oil Co., Ltd. advanced its quality management system and attained ISO 9001:2008 certification.

2009

  • Thai Ruam Jai Korat Co., Ltd. was established to expand total annual production capacity of King Rice Oil Group, making it one of the largest rice bran oil producers in the world.

2010

  • Thai Edible Oil Co., Ltd. was the winner of Rice Innovation Award for King Rice Bran Oil Shortening.
  • Thai Ruam Jai Vegetable Oil Co., Ltd. obtained NES Award for Excellency of Engineer Management, Energy Conservation, and Efficiency Maintenance. In the same year this facility was also awarded for Development of Efficiency Water Usage.
  • Thai Ruam Jai Vegetable Oil Co., Ltd. advanced its quality management system and attained ISO 9001:2008 certification.

2011

  • Thai Edible Oil Co., Ltd. expertise its Laboratory Analyses and attained ISO/IEC 17025:2005 certification within the field of Food Testing.
  • Received the second place for Rice Innovation Award for King Rice Bran Oil Non-Dairy Creamer (there was no winner in this year).

2012

  • Thai Edible Oil Co., Ltd. was the first cooking oil producer in Thailand to implement Solar Energy Heating System.
  • Thai Edible Oil Co., Ltd. attained Kosher certification.
  • Thai Ruam Jai Korat Co., Ltd. attained the GMP and HACCP from the Department of Livestock Development, Thailand Ministry of Agriculture and Cooperatives.

2013

  • Thai Edible Oil Co., Ltd. set up a new refinery facility at Nakhon Ratchasima province (Si Khio) to expand refined rice bran oil capacity.
  • Thai Edible Oil Co., Ltd. improves its environmental performance and attained ISO 14001:2004 certification. The company also attained Green Industry Level 3 from the Ministry of Industry.
  • Thai Edible Oil Co., Ltd. received the second prize for Rice Innovation Award for King Rice Bran Flour.
  • Thai Ruam Jai Vegetable Oil Co., Ltd. expanded its quality management system to cover both food and feed safety management system and attained ISO 22000:2005 certification from SGS (Thailand) Co., Ltd.

2014

  • Thai Ruam Jai Korat Co., Ltd. and Thai Edible Oil Co., Ltd. (Si Khio) attained the GMP HACCP and ISO 9001:2008 certification.
  • Thai Ruam Jai Korat Co., Ltd. attained Halal certification.
  • Thai Edible Oil Co., Ltd. is the first vegetable oil producer in Thailand to achieve the Authorised Economic Operator (AEO) certification for its high standard of safety and security system.
  • Thai Edible Oil Co., Ltd. and Thai Ruam Jai Vegetable Oil Co., Ltd. advanced its labour standards, health safety, business ethic and environment standards and attained SEDEX certification.

2015

  • Thai Edible Oil Co., Ltd. (Si Khio) attained Halal and Kosher certification.

2016

  • Thai Edible Oil Co., Ltd. advanced its food safety management system and attained BRC certification. The company also achieved Thai Labour Standard: TLS 8001-2553 from the Department of Labour Protection and Welfare.
  • Thai Ruam Jai Vegetable Oil Co., Ltd. improved its environmental performance and attained ISO 14001:2015 certification.

2017

  • Thai Ruam Jai Korat Co., Ltd. advanced its feed safety and attained GMP+ certification from SGS (Thailand) Co., Ltd.
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