4. work history:Name of works:: the basis of recovery of recyclable materials of Dong HA.Type of work: civil works.Level: grade III (the decentralized according to circular No. 10/2013/TT-BXD dated 25/7/2013 of the building of the national technical regulation on classification, hierarchy, civil construction, industry and urban infrastructure).Design works unit: investment consulting branch and construction in Quang Tri-consulting company building and Investment-Corporation Central.
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