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The predecessor of our co***ny was Yun Fa Chemical Factory, which was established in 2000. During the 10 years, through cooperating with universities and scientific research institutes, we have been perfecting our products and improving and developing a series of new products. All the products have received praise at home and abroad. Rely on excellent product quality and good corporate reputation, our products have been in active demand in more than 20 domestic provinces and cities during the 10 years, and ...
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