cangzhou great pdc bit co.,ltd

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Company: cangzhou great pdc bit co.,ltd Contact: Ms. Rosalind Jin Address: hejian city,hebei province,China Postcode: 062450 Tel: 86-317-3212988 Fax: 86-317-3212998 Homepage: http://www.pdcbit.net http://lantian520.88exporter.com E-mail: