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1975
The chairman started researching and producing solid-liquid separation equipment in Yuzhou, China.
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1988
ShuangFa Company was established.
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1996
Successfully developed fully automatic filter presses and polypropylene filter plates, which were applied in mineral concentrate dehydration.
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2005
Listed among the "Top 500 Machinery Manufacturing Enterprises in China" and established a technology research and development center in collaboration with universities.
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2008
Successfully developed fully automatic cloth washing filter presses, which were successfully applied in industries such as dyeing, titanium dioxide, and silicates.
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2014
The company was renamed YHDE and successfully developed a new type of stainless steel filter press, which was purchased by Daiichi Kigenso Kagaku Kogyo Co. Ltd. of Japan for nearly 100 units.
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2016
The company was rated as an "excellent export enterprise".
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2018
Established a research center jointly with the government called "Equipment Research Center for Separation of Chemical Industrial Products".
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2022
The company was awarded the "National High-end and Innovative Science and Technology Enterprise" for seven consecutive years.
