Shandong Liaocheng Youyi Steel Pipe Co., Ltd.
[
Shandong,
China (Mainland) ]
Certificate
Approval condition for manufacturing process of steel tubes for boilers and heat exchanges
Name: Approval condition for manufacturing process of steel tubes for boilers and heat exchangesCertificate No: 11EW 1308 ROL
Date: Feb 10, 2011
Valid until: Feb 09, 2013
Range: boilers and heat exchanges
Reference: NIPPON KAIJI KYOKAI
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