家族中的一个长辈说："我们要抓紧点，每天多派几队马帮过去。" 吴廉膺脑子毕竟比上一辈灵光，"洋人的货可以进来，我的货也可以借道出去，还顺风顺水。不都是到 香港嘛。" 过去所有商号的大锡从个旧矿山上经马帮驮运，有北线和南线两条外销线路。北线走滇东北马帮驿道， 经云南昭通下四川宜宾，再走长江水路达重庆、汉口、上海；南线经云南开化（今文山县）、广南府 境，至水陆码头剥隘（今富宁县剥隘镇），由吴盛泰设在剥隘的分号收讫，于此装船沿右江走水路，经 广西百色、南宁走珠江水道直达广州，再转运香港。这一漫长的行程一切顺利的话，也需将近三个月时 间。 半个月后，吴廉膺带了两个跟班，到蒙自开广道署请领了"人情纸"（出国护照），从蛮耗搭木帆船顺红 河水而下，两日就到中越交界处的保胜（今越南老街），再顺风顺水，平均日行七八十里水路，五天时 间就到东京（河内），又改乘法国人的小火轮，两天到海防，从海防换乘海轮，三天就到了香港。这段 新路，不仅比经广西、广东至香港少了千余华里，还节省了月余时间，运输成本大大降低。更为重要的 是，吴廉膺看到了另一个商机：借助法国人的小火轮，可以将香港购得的洋纱、洋油等贩运回来。 ▌范稳 著 到光绪后期，绵字 ...

Group 1 - The article discusses the return of Wu Lianying to his hometown to take over the family business after losing interest in pursuing academic success and official positions [2] - Wu Lianying admires his uncle Wu Mianqing, who played a crucial role in revitalizing the family business by establishing the "Wu Shengtai" trading company after the discovery of rich tin mines in Gejiu [2][3] - The family business initially involved transporting essential goods to the mines and later selling refined tin, showcasing their commitment to hard work and efficiency [2] Group 2 - Wu Mianqing is portrayed as a talented and diligent member of the Wu family, known for his decisive nature and compassion [3] - The article highlights a significant event where Wu Mianqing helped a fellow scholar, Liu Zhongcheng, who was in distress before an examination, demonstrating the family's values of kindness and support [4] - Years later, Liu Zhongcheng, now experienced in mining, offered his expertise to Wu Mianqing, leading to successful mining ventures based on geological insights [5]