Lanjiang River is the upper reaches in the QianTangJiang River also it is the mother river of LanXi.In the upper area of it are JinHua and QvZhou;in the downstream area are MeiCheng and HangZhou.

• 项目背景和建设条件： 兰江是钱塘江上游，兰溪市的母亲河，上通金华、衢州，下连梅城、杭州，自古以来往来商船络绎不绝，使兰溪不断繁华，得号“三江之汇、七省通衢”。