I'm malaysian & stay at Johor bahru, can apply VISA from Johor Bahru (Malaysia)?

There is no China embassy or consulate in Johor Bahru, you have to apply China visa from Chinese embassy in KL. First, submit application to China Visa Application Service Center in KL, if you can't go to the center in person, you can entrust someone else to submit it for you.

I am malaysia pr i want apply visa

Mohamed, what’s your purpose to visit PRC? If it’s for sightseeing purpose, you should apply for a tourist L visa.
Firstly, prepare the relevant documents including your passport and copy of its data page, the completed application form attached with a passport-sized color photo, your PR in Malaysia as well as round trip air tickets and hotel reservation.
Afterwards, submit your application to the CVASC to apply for it.