The YAMAL LNG liquefied natural gasconstruction project has a total of 120 third-party supervisory staff.QA: 4 people QC: 15 people Structure (CWICSWIP) 40 people; 35 people for process pipelines (CWI,CSWIP);Electrical instrument (EX) 20 people;13 people for anti-corrosion coating(NACE2);Materials 8 people.