I contact one of the two links above and the first one said that I have to do the visa here in Italy the other one said:
"" Dear Customer
Thank you for your e-mail again
You can through our company to apply 1month 30days single-entry (L) visa HKD500
If you come before 1000am - pick up visa on next day at 1430pm If you come before 1400pm- pick up visa on next day at 1800pm After 1400pm - pick up visa after two working days at 1430pm.
If you come on Friday before 1000am than you can pick visa on Monday at 1430pm If you come on Friday before 1400pm than you can pick up visa on Monday at 1730pm After 1400pm than pick it up on Thursday after 1430pm.
For the visa application please bring passport ,passport photo,retun flight ticket( HKG-CHINA-HKG) ,hotel comfirmation in china.
If you have any question, don't hesitate to contact me.Thank you very""
So i think it's possible to do the visa in HK through that service (
http://www.jta.biz/chinavisa/china_visa.htm ) the only thing is that i have to ask if they want the flight ticket from hk to kunming or also the flight ticket from kunming to lijiang..