On March 27 and 28, experts from Hubei Provincial Quality Supervision and Inspection Station of Surveying and Mapping Production organize random examination of the achievements of IRSM from 2009 to 2011. More than 16 experts in charge of 5 surveying and mapping projects attend the conference, the projects are "Surface Subsidence and Deep Rock Mass Deformation Monitor and Prediction of ChengChao Iron Ore", "Surface and Deep Deformation Monitor and Prediction of East Side of Jinshandian Iron Ore", "Landslide Monitor of Three Gorges Dam Getting-Over Highway", "Bajiawan Tunnel Monitor and Measurement", and "Regulation Project Measurement of the overlooking line of Yellow Crane Tower".

Xiong Tao, Chairman of Hunbei Provincial Surveying and Mapping Production Quality Inspection Station, reads out the document of the supervision and inspection. Sheng Qian welcomes the experts on behalf of IRSM, he points out that the inspection is highly emphasized, every department will support the inspection and ensure the accomplishment of the supervision and inspection. Sheng also puts forward the conception "Base on Hubei, Serve the Nation".

The expert team inspect the project "Surface Subsidence and Deep Rock Mass Deformation Monitor and Prediction of ChengChao Iron Ore", taken in charge by the slope project team. The project charger Huang Pinglu reports on the project resource, characteristics, team organization, measurement range, production time, production process, quality inspection and achievement. Afterwards, experts inspects relevant documents, original record, surveying and mapping production report; they visit the Iron ore on March 28 to examine the datum point and surveying point. After the project documents inspection and field survey, the expert team fully affirms and approves the surveying and mapping production quality.