Mr. Wang Shouxiang, vice minister of Ministry of Land and resources of China and Mr. Zhang Hongtao, vice director of China Geological Survey, lead a delegation of higher officials came here, giving their regards to CCSD members. Madam Xu Zhiqin (PI) and Mr. Zhang Wei (the Chief Engineer) gave them two brief introductions for the new scientific achievements and drilling progress. Accompanied by Mr. Wang Da they paid a visit to drill site and field labs.