Instruction guide is .jpeg all other files .pdf.

Click link to open file in new window, .pdf can be saved using the keybar in the bottom right of the window.
Unsure of .jpg but I'm sure you'll work it out.

Also be sure to attach relevant docs you should be receiving from your institute.
   1. Permit for Foreign Experts Working in China(original) issued by the State  Bureau of Foreign Experts (original);
   2. An Invitation letter of Duly Authorized Unit or a Confirmation letter of Invitation (should be used within 6 months since its issuing date) issued by an authorized unit in China (original).

Instruction Guide for Application by Post -  http://db.tt/aEEN8q1

Visa Application 1 (Basic Info) -  http://db.tt/1KlF1TD

Visa Application 2 (Z-Visa Specific) -  http://db.tt/r6Akpoh

Payment Form  -  http://db.tt/YiVnOEu

Customer Declaration -  http://db.tt/BHyAGN2

You need to send in your passport as well. & get some photos for the application form.

Could all this be done by going to the Chinese embassay in manchester?