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| Number of visits： |
10 |
| Unit Price： |
Face to face |
| Minimum Ordering： |
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| Total supply： |
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| period for dispatch： |
Delivery within 3 days from the date of buyer's payment |
| Valid until： |
Long-term effectiveness |
| Last update： |
2021-03-27 09:50 |
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Dyes refer to a class of organic compounds that can make other substances obtain bright and firm colors. Since the pigments currently used are all artificially synthesized, they are also called synthetic dyes. Dyestuffs and pigments are generally compounds that have their own colors and can make other substances obtain bright and firm colors in a molecular or dispersed state.
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