2024/05 DCC Joins The LYCRA Company and Qore® in the Development of Renewable LYCRA® fiber. Steve Stewart, chief brand and innovation officer, The LYCRA Company, and Shean-Tung Lin, Chairman, Dairen Chemical Corporation (DCC), sign a letter of intent for DCC to convert QIRA® into low-impact PTMEG for bio-derived LYCRA® fiber.

2024/04 DCC Mailiao Plant obtained a verification statement (DNV Verification Statement) finalizing the carbon footprint assessment for AAL, 1,4-BDO,MPO, and PTMEG, in accordance with ISO 14067:2018.

2024/03 DCC was awarded with the EcoVadis Gold Medal in 2023, ranking top 5% among the assessed enterprises

2024/02 Dairen Chemical (Jiangsu) Co., Ltd. obtained advanced Authorized Economic Operator (AEO) certification.

2023/09 The IT Room management of Dairen Chemical Corporation's Kaohsiung Plant, Dafa Plant, and Mailiao Plant passed ISO-27001:2013 certification.

2023/10 Dairen Chemical Corporation obtained ISO 14067 (2018 version) BDO product carbon footprint certification, in which the carbon emission verification value of BDO products is better than the industry level. (Dafa Factory/Mailiao Factory)

2023/12 DCC Ta-Fa Plant completed carbon footprint verification for AAL, 1,4-BDO, and PTMEG in compliance with ISO 14067:2018 and obtained a ARES certification.

2023/12 DCC Mailiao Plant completed carbon footprint verification for VAM in compliance with ISO 14067:2018 and obtained ARES certification.

2023/11 CCD (Singapore) Pte. Ltd. obtained ISCC PLUS Certificate for VAM and VAE.

2023/10 DCC Ta-Fa Plant and Mailiao Plant received ISO 14067 (2018 version) Carbon Footprint Certification for BDO Products

2023/09 DCC Mailiao Plant completed carbon footprint verification for AAL in compliance with ISO 14067:2018 and obtained ARES certification.

2023/09 Dairen Chemical (Jiangsu) Co., Ltd. obtained a certification for VAE and VAEP Carbon Footprint Verification.

2023/09 The Data Server Center of Kaohsiung Plant, Dafa Plant, and Mailiao Plant obtained ISO-27001:2013 certification for information security.

2022/09 Dairen Chemical (Jiangsu) Co., Ltd. obtained China Environmental Labeling (Type II) Product Certification for VAE products.

2022/06 Under the leadership of Chairman Shean-Tung Lin and General Manager Fu Chu Huang, DCC was awarded with the ranking top 1 among the manufacturing sector's operational performance of Taiwan's Top 5000 Large Enterprises, assessed by CRIF China Credit Information Service, Ltd.

2021/07 Dairen Chemical (Jiangsu) Co., Ltd. through excellent manufacturing practice standards for the VAE production obtained GMP certification.

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.

2020/06 Dairen Chemical Corporation independently issued a corporate social responsibility report to effectively respond to issues of concern to stakeholders and demonstrate sustainable highlights.

2020/09 Dairen Chemical Corporation's ERP system, personnel system, and recruitment system passed ISO-27001:2013 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.