"We hire a new crew to build each dredge," said Khun Songpon, "My father, Yongyut Junsiri, trains them as they build the dredge then the same crew operates it in Indonesia. It is a brilliant innovation, but not surprising from a firm that can draw on the 35-year experience of its president Yongyut Junsiri in both the design and operation of dredges. In recent years the opportunities for tin dredges have centered on Indonesia. However it is experience gained in dredging Thai waters…