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If you are sourcing n-heptane from China ,just feel free to inquire

Company：	Shanghai Shengyu Chemical Co.,Ltd.
Contact：
Phone：	+86-21-52903022;52906901;62141057
Mobile phone：
Fax：	+86-21-32010235
E-mail：	shengyuchem@263.net
Website：	http://
Address：	Floor 13, 2052 N., Zhongshan North Road Shanghai China
Zip Code：	200063

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n-heptane