How many towns are there in Binjiang District of Hangzhou? Which towns are the best?

Binjiang, Puyan, Xixing and Changhe streets. Puyan is famous for its higher education park, and there are many big companies in Changhe (Alibaba is on Changhe Street). Because Binjiang District used to belong to Xiaoshan, three streets are not far from Xiaoshan, but Xixing is the closest to Xiaoshan. It is estimated that it is 5 kilometers away from Xiaoshan city, and k3 15 bus can go directly!