Beijing Duofuduo Chemical Import&Export Co.,Ltd
Contact:Rongguang Tan
Phone: 86-15311985869
Tel: 86-10-56285890
Fax:86-10-56285890
Mail: admin@dfd-chem.com
Main product: Aspartame,Climbazole,Guar Gum,Povidone Iodine
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