Hey sir I have 1 enquire related business M type

Hello sir I wanna go China for small time internship and I need one year multiple visa with 3 month stay and was in PRC before 2 times one time I get z type for 3 month and last time I get 3 month M type but it's difficult for me apply again and again so that's why this time I wanna apply for long time what you think can I apply for 1 year multiple one with 3 month stay ??pls let me know asap becse this Monday I'm going for apply .