The above documents must be 'legalised' before you are able to apply to China to get a notification letter from your school, then apply for your visa. It is a compulsory process and unfortunately, it doesn't just mean asking a local solicitor to sign them off as 'legal' (although there are solicitors involved!)
Most people have never heard of 'legalisation' of documents - let alone done it before. However, it is a compulsory part of the visa application process...
The THREE documents you need to get legalised are
Click here or copy this link into a web browser: http://teachchina.co.uk/vec-verbal-english-china-finance/ and choose the 'REIMBURSED: CHINA SPECIFIC ELEMENTS' to view a detailed breakdown of the process.
Or, CLICK HERE to take you to the form outside the site