2020/02 Dairen Chemical Corporation passed the energy management system (ISO 50001) certification (MaiLiao Plant).
2020/02 Dairen Chemical Corporation passed the occupational safety and health management system (ISO 45001) certification.
2017/03 VAE No.1 and 2 plant start-up at Jurong Island , Singapore.
2017/04 VAEP No.1 plant start-up at Jurong Island , Singapore.
2017/12 Changchun Group issued its first corporate social responsibility report.
2016/03 Dairen Chemical Awarded AEO Certification.
2014/01 BDO No.5 plant start-up at PANJIN Factory.
2013/05 VAM No.4 plant started-up at Jurong Island, Singapore.
2013/06 AAL No.4 plant started-up at Jurong Island, Singapore.
2013/07 PTG No.6 plant start-up at Ta-Fa Factory.
2013/09 BDO No.6 plant start-up at Ta-Fa Factory.
2013/11 PTG No.5 plant start-upat PANJIN Factory.
2012/03 Completed the revamping of PTG No.2 Plant at Yizhen, Jiangsu, China.
2011/03 Chang Chun Dairen (PANJIN) Ltd. established at Panjin, China.
2011/04 BDO No.2 plant start-up after revamping at Ta-Fa Factory.
2011/06 BDO No.3 plant start-up after revamping at Mai-Liao Factory.
2010/03 CCD(Singapore) Pte.Ltd. established at Jurong Island, Singapore.
2010/05 AAL No.3 plant start-up after revamping at Mai-Liao Factory.
2009/04 VAE Redispersible Powder No.3 and 4 plant started-up at Kaohsiung Factory.
2009/05 LCO2 No.2 plant started-up at Mai-Liao Factory.
2009/06 PTMEG No.4 plant started-up at Ta-Fa Factory.
2009/07 EVA Emuision No.9, 10, 11 and 12 unit started-up at Kaohsiung Factory.
2009/07 All Factories in Taiwan granted TOSHMS certificate.
2008/01 DCJ EVA Emulsion plant at Yizheng Factory.
2008/03 DCM EVA emulsion production line no.4 started up.
2008/07 DCJ EVA Emulsion plant No.5 and 6 unit started-up. VAE powder plant No.2 unit started-up at Yizheng Factory.
2007/06 DCM EVA plant revamped maximum capacity.
2007/08 DCJ VAE Rodispersible powder plant started-up. EVA Emulsion plant at Yizheng Factory.
2006/05 AAL No.2 plant started-up at Yizheng Factory.
2006/09 PTMEG No.3 plant started-up at Mai-liao Factory.
2006/11 1,4-BDO No.3 plant started-up at Mai-Liao Factory.
2006/12 ALL No.3 plant started-up at Mai-Liao Factory.
2005/11 DCM EVA emulsion production line no.3 started up.
2004/04 DCJ. started operation in Yizheng in April 2004.
2004/04 EVA Emulsion plant , 1,4-BDO plant, PTG plant started-up in Yizheng, China started operation.
2004/06 DCM EVA plant expanded production capacity.
2004/08 VAM No.2 plant increased capacity at Mai-Liao Factory.
2003/02 Capacity increased of AAL plant at Kaohsiung Factory.
2003/04 Company-wide integrated audit of ISO-9001,ISO-14001, OHSAS -18001 and granted the certificate with scope of all products.
2003/05 Established Dairen Chenical (Jiangsu) Co.,Ltd. (DCJ) at Yizheng ,Jiangsu, China.
2003/06 Started construction of EVA Emulsion Plant, 1,4-BDO plant, and PTMEG plant at Yizheng Factory.
2003/07 DCM cooperation with SCC to produce EVAVc and EVCL emulsion.
2002/08 1,4-BDO No.2 plant started-up at Ta-Fa Factory
2001/01 Completed the construction and Stared-up of LCO2 plant at Kaohsiung factory.
2001/04 VAM No.2 plant started-up at Mai-Liao factory.
2001/12 Kaohsiung Factory granted OHSAS18001 certificate.
2000/03 Started construction of DCM. EVA Emulsion plant in Malaysia.
2000/07 PTG plant started-up at Ta- Fa Factory.
2000/08 VAE Redispersible Powder No.2 plnat strated-up at Kaohsiung Factory.
2000/11 DCM. EVA Emulsion plant started-up with capacity of 30,000 MTY.
1999/04 VAM plant at Kaohsiung Factory switched to produce Allyl Alcohol.
1999/11 Started construction of VAE Redispersible Powder No.2 plant at Kaohsiung Factory and VAM No.2 plant at Mai-Liao factory.
1998/05 1,4-BDO plant started-up at Ta-Fa Factory.
1998/08 Dairen Chemical (M) Sdn. Bhd. (DCM) established in Malaysia.
1997/04 Kaohsiung factory granted VAM,EVA ISO14001 certificate.
1997/05 Started construction of 1,4-Butanediol(1,4-BDO) plant at Ta-Fa factory.
1996/04 EVA Emuision No.7 and 8 unit started-up at Kaohsiung factory.
1995/04 VAM plant capacity increased at Kaohsiung Factory.
1994/12 Commercialized production for VAE Redispersible Powder at Kaohsiung factory.
1993/03 Kaohsiung Factory granted VAM, EVA ISO-9002 certificate.
1990/08 EVA Emulsion No.5 and 6 unit started-up at Kaohsiung factory.
1988/06 EVA Emulsion No.4 unit started-up at Kaohsiung factory.
1987/05 EVA Emulsion No.3 unit started-up at Kaohsiung factory.
1986/01 EVA Emulsion No.1 unit started-up at Kaohsiung factory.
1986/08 EVA Emulsion No.2 unit started-up at Kaohsiung factory.
1984/10 Started Ethyl Acetate production at Kaohsiung factory.
1983/03 Started VAM production at Kaohsiung factory.
1979/06 Dairen Chemical Corporation founded.