changyu sealing products co.,ltd

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Company: changyu sealing products co.,ltd Contact: Mr. tunson tunson Address: no 088,longmen west road,laiyang city,shandong china Postcode: 265200 Tel: 0086-535-7269397 Fax: 0086-535-7335769 Homepage: http://www.lycy.cn http://tunson1.86exporter.com E-mail: