Chinese Premier Li Keqiang on Friday called for efforts to detail measures to expand demand, promoting effective investment and increasing consumption.Chairing a State Council executive meeting, Li stressed the importance of guaranteeing good autumn grain production to achieve a bumper harvest this year.The premier also called for efforts to cope with natural disasters and ensure the safety of people's lives and property.Chinese Premier Li Keqiang on Friday called for efforts to detail measures to expand demand, promoting effective investment and increasing consumption.Chairing a State Council executive meeting, Li stressed the importance of guaranteeing good autumn grain production to achieve a bumper harvest this year.The premier also called for efforts to cope with natural disasters and ensure the safety of people's lives and property.