xi'an derfer chemical co.,ltd

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Company: xi'an derfer chemical co.,ltd Contact: Ms. lily liu Address: 1-2-1904 of Tianlunmingzhu Mansion, No.60 Zhuque Avenue, Xi’an, Shaanxi, China Postcode: Tel: 029-83115339 Fax: 029-83115329 Homepage: http://derferchemical.86exporter.com E-mail: