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If you are sourcing D(-)-2,3-Dihydroxy butanedioic acid from China ,just feel free to inquire

Company：	Hangzhou Bioking Biochemical Engineering Co.,Ltd.
Contact：
Phone：	86-571-86324158
Mobile phone：
Fax：	86-571-86324811
E-mail：	info@biokingco.com
Website：	http://www.biokingco.com
Address：	TANGXI TOWN,YUHANG DISTRICT,HANGZHOU311106 P.R.CHINA
Zip Code：	311106

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D(-)-2,3-Dihydroxy butanedioic acid