Milestones
    -  
2021
   - Established PLC-controlled system for manufacturing fiber drum.
  
     -  
2017
   - Established PLC-controlled system for chemical production processes.
  
     -  
2014
   - Renamed the company to CORE UNION CHEMICAL CORP.
  
     -  
2013
   - Change of company management and ownership structure.
  
     -  
2009
   - Renew or upgraded all the Pipeline of the factory.
  - Launched ISO 14000 training, documentation, and successfully obtained certification.
  
     -  
2005
   - Decommissioned original factory site; established a new 1,000-ton raw material storage facility.
  
     -  
2004
   - Introduced fully automated production equipment for operations.
  
     -  
2003
   - Installed large-scale high-speed emulsification and homogenization systems.
  
     -  
2002
   - Achieved ISO 9001 revised certification.
  
     -  
2001
   - Expanded automated reaction systems with high-, medium-, and low-temperature capabilities, including:
‒ Two 3-ton reactors
‒ Two 10-ton reactors
‒ One 20-ton reactor  
     -  
2000
   - Obtained ISO 9001 certification.
  
     -  
1996
   - Add a set of High temperature Automatic Reaction Equipment (20T)
  
     -  
1992
   - Add a set of Resin Automatic Reaction Equipment (15T)
  
     -  
1988
   - Sanyo Chemical Co., Ltd provides technical support of resin equipment and Factory building.
  
     -  
1987
   - Sanyo Chemical Industries, Ltd. invested NTD 20 million.
  - Established a joint venture: Dahshyang Chemical Co., Ltd
  
     -  
1984
   - The second factory established in Yangmei. (Area of Land about 10,000 sq. meters)
  - Taiyo Seal Pack Co., Ltd. provides technical support of fiber drum.
  
     -  
1969
   - Commenced local production of dyeing and finishing auxiliaries through technical cooperation with Sanyo Chemical Industries, Ltd.
  
     -  
1968
   - Established the first Yangmei Factory (approx. 6,300 m² land area).
  - Rakuto Kasei Ind Co., Ltd. and Kiwa-Chemical Co., Ltd. provide technical support.
  
     -  
1967
   - Daxiang Chemical Co., Ltd. was founded. (Predecessor of CORE UNION CHEMICAL CORP.)
  - Franchised the pesticide and emulsifier products of Sanyo Chemical Co., Ltd.
  - Franchised the dyeing auxiliaries from Rakuto Kasei Industry Co., Ltd. and dyestuffs from Kiwa Chemical Co., Ltd