Hard to say because you give very little information.
It would help if you can state why you are invited and for what occasion.
Like other places Kunming is base for a group of scammers targeting foreigners with fake offers for cooperation etc. It is therefore good to read and carefully study the articles on this link: www.gokunming.com/en/forums/thread/11070/kunming-fraud
Even without pics a good instruction ;-)
When, some time ago, I had finally figured out how to do it, the flour company changed their packaging to an other system without thread. Miss now as well my steady in flow of binding wire.