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site of factory ：henan province shut in the railway                   station by city of gongyi heishiguan
office tel： 0371-4329828
       fax： 0371-4329828
factory director office tel：0371-64320183
postcode: 451251
e-mail：longhai@longnai.com
website：http://www.longnai.com



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tel：0371-64329828  postalcode：451251