I want to appy for 1 year visa in China

You need a student visa for 1 year study for Shaolin Kung Fu,
first, you have to contact a school teaching Shaolin Kung Fu in China and negotiate the details

second, follow the instructions of the school, maybe it will asks you to apply for a tourist visa to go to China, then the school change the tourist visa to 1 year residence permit for you,
if the school can issue you the JW202 and admission letter, it will ask you to apply for a student visa in Bangladesh, then change it into 1 year residence permit after you enter China.

I think there are 2 questions you should clarify .
1. Which is the most easiest way for you to come to China?
2. What is your first priority? Look for an institute to learn "SHAOLIN KUNG FU" or get a visa to China?

Per my personal view, you should get a visa to China then look for a school as there are many schools can teach you KONG FU, but not that much can learn "SHAOLIN KUNG FU".

To stay in China for a year, you can get the F VISA or Z VISA, but there are a little bit differences, can talk to you more later. My email address: touchts.com|vincy.ho