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If you are sourcing Ammonium sulfate from Japan ,just feel free to inquire

Company：	Nippon Kasei Chemical Co. Ltd.
E-mail：	chem@netsun.com
Address：	Across Shinkawa Bldg. 1-8-8 Shinkawa,Chuo-ku,Tokyo, Japan
Zip Code：

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Ammonium sulfate