First notebook entry: Introducing myself My name is ruanxin,my english name is David. i am from hangzhou,a beautiful city in zhejiang province. it is known by the west lake. I'm interested in pingpang, swimming and travel on foot. I graduated from Hangzhou Electronic Science and Technology university with a degree of Bachelor of Engineering. I've got five years' work experience, my job is to build DCS（distributed control systems），facing to automation to power systems.for example,power plant DEH system. because my job need to use english,so i keep on studying english.also , i hope i can make friends with people who want to learn chinese.because i can speak english fluetly.