Group 1 - The Wu family, particularly Wu Lianying, is strategically expanding their business operations by leveraging new trade routes and transportation methods introduced by French influence in Yunnan [2][3] - The introduction of steam-powered boats by the French has significantly altered the logistics of transporting goods, allowing for faster and more cost-effective routes to Hong Kong [3] - Wu Shengtai's business has established multiple branches in Vietnam and Hong Kong, capitalizing on lower prices for goods compared to competitors, which has led to increased market share [4] Group 2 - The family business has developed two main export routes for transporting tin from the Gejiu mines, one heading north and the other south, each with distinct logistical challenges and timelines [3] - Wu Lianying's innovative approach to utilizing the French steamers has reduced transportation time and costs, creating a competitive advantage in the market [3] - The Wu family's ability to offer goods at prices significantly lower than competitors has resulted in a strong market presence and recognition of their efficient supply chain [4]