Two days. Shandong Provincial Volleyball Management Center conducted the first investigation and training for the young men's volleyball team in the 15th National Games of Weifang. The training will last for two days, and 73 young men's volleyball players from all over the province will be inspected. Shandong Province, short for Lu, alias Qilu, Donglu, Haiyou and Haidai, is the eastern coastal province of China.