want to get a visa

Considering your circumstance, you need to apply for business M type. If you want to apply from Jordan, you need to provide proof of your legal stay there such as the valid entry permit to Jordan (original and copy). Besides, you need to provide other required documents containing the application form, a recent bareheaded color photo, the passport and its photocopy, as well as an invitation letter issued by your trade partner in PRC. You cannot send it by DHL. You should go to Jordan and submit your application. Beside, a face-to-face interview may be required.