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06

2014-05

Brief introduction of ancient dyes in China

China is the first country to use natural dyes for dyeing, and the use of plant dyes is also the mainstream of Chinas ancient dyeing process. People in the Neolithic Age began to use natural plant dyes while applying mineral pigments. It has...
14

2017-03

Invitation letter of the 17th China International Dye Auxiliaries Exhibition

元納化工熱忱歡迎您的蒞臨！...
23

2018-03

Invitation Letter (Yuanna Chemical C401)-The 18th China International Dye Industry and Organic Pigments, Textile Chemicals Exhibition

Dear customers and friends： In this April spring season, we have ushered in the annual China International Dye Industry and Organic Pigment, Textile Chemicals Exhibition, we are still waiting for you here, thank you for your continued Care...
08

2018-05

Participated in the 18th China International Dyestuff Exhibition-Yuanna Chemical achieved a complete success

【Yona Booth-Hall 2 C401】 From April 11 to April 13, 2018, Shanghai Yuanna Fine Chemical Co., Ltd., together with its sales and technical service team, participated in the 18th China International Dye Industry and Organic Pigment and Text...
29

2019-03

The 19th China International Dye Industry and Organic Pigments, Textile Chemicals Exhibition

...

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