Can Canadian skilled immigrants do it themselves?

Of course, Canadian skilled immigrants can do it themselves. You can go directly to the Canadian Embassy in Beijing to get the application form. Of course, your foreign language should be good enough, but it is difficult to sign it yourself. I have a friend who just failed, so I might as well find a reliable intermediary. The simplest is Quebec immigration, and federal immigration is also good, but it will be slow and difficult to pass. Better intermediaries are Jia Cheng and Hua Zhijie.