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Shanghai Yonglong Chem-tech Co.,Ltd
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About Us
Shanghai YongLong Chem-tech Co.,Ltd is a group that combines production, R&D, and sales all into one large company. There are two production bases in Hebei and Shandong province. All of them have their own R&D center as well as sales platform. All of our products have passed ISO9001-2000 international Standard Quality System Certification.
The production involves two kinds: dyes and intermediates.The yearly output of acid dye reaches to 3000 to 5000MT. Our customers are satisfied with the ...
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The acid dyes are used in fiber and wools, we are good at blue series for we ...
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