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Certificates
business license
the construction industry qualification certificate
safety production license
safety production license
special equipment design permit (pressure pipe)
special equipment manufacturing license (pressure pipe components)
special equipment installation and maintenance of maintenance permits
pressure vessel installation and maintenance permit
ISO quality management system certification
ISO environmental management system certification
ISO occupational health management system certification
Zhejiang Province AAA level Shou contract re-credit
invention patent certificate
utility model certificate
utility model certificate
utility model certificate
utility model certificate
utility model certificate
utility model certificate
AAA credit rating certificate 2011
AAA credit rating certificate 2012
AAA credit rating certificate 2013
AAA credit rating certificate 2014
AAA credit rating certificate 2015
AAA credit rating certificate 2016 years
AAA credit rating certificate 2017
Shou contract re-credit certificate
well-known trademarks in Ningbo City