June 17, 2014, CNAS Laboratory Accreditation Certificate officially arrive Shandong Shengli Steel Pipe Co., Ltd.

In March 2014, after the re-assessment and on-site observation of the rectification work items, on May 19 to make a formal recognition of CNAS decision: Shandong Shengli Steel Pipe Co., quality inspection by the CNAS accreditation holding allows us according to "recognized identity and accreditation the provisions of the rules governing state declared, "the use of approved identification, declaration by state certificate is valid until May 18, 2017.