Hoe about the color fastness of your products? Have been tested?|FAQ|Huilong Chemical, E-mail:HL-12@zjhuilong.cn
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Hoe about the color fastness of your products? Have been tested?

Categories: FAQRelease time: 2015-06-30 14:39:00
Source: HUILONG NEW MATERIALSEditor: Fushetu Author: Fushetu

Yes,our products have been tested by National Agency,and is over 4 grade.