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2004
In 2004, the company was founded with a focus on researching and manufacturing high-efficiency catalysts for propylene polymerization, including the DJD series.
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2005
In 2005, Dingjide passed the ISO9001-2000 quality management system certification, and became a tier one supplier of CNPC.
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2006
In 2006, the company obtained the qualifications of municipal enterprise technology centers to develop and produce universal antioxidants ZX-1010, ZX-168, ZX-1076.
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2007
In 2007, the company developed and produced efficient antioxidants ZX-3114, ZX-330, ZX-626, and developed the DJD series full density and high-density polyethylene catalyst.
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2008
In 2008, the company developed and manufactured LZ series premix for polyethylene products and GX series modifiers for polypropylene products.
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2009
In 2009, the company extended its business into antioxidants and composite auxiliary agent, capitalizing on the demand for polylamine catalyst products. Additionally, it established a research and development center to enhance its autonomous research and development capacities.
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2010
Since 2010, the company obtained the qualifications of provincial enterprise technology centers; passed the ISO14001 environmental management system certification; T28001 occupational health and safety management system certification.
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2011
In 2011, the company developed and produced emulsion antioxidants for ABS products, and was certified by REACH regulations. Xinjiang Karamay Tianli Deyuan Co., Ltd. was established.
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2012
In 2012, the company developed and produced the external electron donors, including DJD-UD51, 55, and 56 for the UNIPOL process, and successfully developed a full-density polyethylene catalyst.
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2016
Until 2016, the company continued to develop new projects and enhance existing products in order to keep pace with the accelerated evolution of modern industry.
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2019
In 2019, the company initiated the development of energy-growth initiatives and the expansion of its product grades to include catalysts and antioxidants.
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2020
In 2020, the company built the DCS automation control center, automated packaging production line, and smart warehouse.
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2021
In 2021, the company built the research institute, with the R&D center, quality inspection center, and CNAS certification laboratory.
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2022
In August 2022, the company went public and listed on the Shanghai Stock Exchange
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