In 2003, we acquired ISO9001 Quality Certificate issued by China Quality Mark Certification Group, and National AZ Certificate.

      In 2009, we acquired BV Certificate and PED Product Certificate.

      In 2010, we acquired Occupational Health and Safety Management System Certificate and Environment Management System Certificate.

      In 2011, we acquired Manufacture License of Special Equipment of Pressure Vessel issued by AQSIQ.

      In 2012, we acquired the III-Grade Enterprise of Work Safety Standerdization in Machinery.

      In 2013, we acquired PED Certificate issued by TUV, Nuclear Safety Equipment Manufacturing License and Jiangsu High-tech Enterprise Certificate.

      In 2014, we acquired Steel Forging Safety Regisration Certificate for Pressure Vessel.