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Current location： Home >> News >> we are certified to ISO 9001
Office: The Coastal Economic
            Development zone,Changyi,             Weifang 261300, Shandong
            Province, China
Tel: 0086-536-7118957
Fax: 0086-536-7128927
Mobile:15053619939
E-mail:trun@wftrun.com

we are certified to ISO 9001

Date：2011-11-11        Source：Weifang TongRun Chemical Co.,ltd.
Our production line passed the ISO9001 authentication.