Certificate
Quality Management System Certificate
Name: Quality Management System CertificateCertificate No: 03507Q11124ROM
Date: Sep 02, 2007
Valid until: Sep 02, 2010
Range: production and service of Seamless Steel Tubes for structural purposes
Reference: Xingyuan Certification Center Co.LTD
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Shandong Zhongzheng Steel Pipe Manufacture Co., Ltd.
[China]
Street Address : mudanjiang north road
City : liaocheng
Province/State : Shandong
Country/Region : China