HOW TO GET A STUDENT VISA FOR CHINA?

I WAS STUDIED THE CHAINEES LANGUAGE IN CHAINA FOR ONE YEAR AND ALREADY REGISTERED IN THE UNIVERSITY ( INTRNATIONAL TRADING) IN CHAINA . AND MY ASKING TO GET THE VISA FROM THE CHAINA EMBASSY IN SANAA WOULD YOU PLEASE HELP ME HOW I CAN CONTACT YOU TO GET VISA ... SO THAT THE STUDY WILL BE START IN THE NEXT MONTH