Tel.:400-011-7633 E-mail: sales@holdenchem.com
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NINGXIA JOIE MATERIAL CO.,LTD.
We have over 30 years of industry experience, with two major series of products: nitrogen propylene diamine crosslinking agents and polymers.
C6H9NO2
[C2H5N]n
C3H4N2
C8H16N2O4S
C8H11N5