GUANGYUAN, Dec. 19 (Xinhua) -- Cangxi County in southwest China's Sichuan Province has crafted an innovative model to boost rural development, which incorporates family farming cooperatives, live-streaming platforms as well as online and offline marketing. Remarkably, Party secretaries of villages in the county are spearheading in sessions of e-commerce promotion, driving the sales of local specialties across the country to substantially improve local farmers' income.