re:assign profit center to a order type

hi gurus,

good morning to everybody,

i have a question i have 1000 materials in my organization using by 5 company codes in that few material i need to assign profit center so i went to mm change and assigned the profit center for sales:general/plant and plant data/stor.2, if i want to assign profit center to order type how can i assign, if i cannot assign in order type i need to assign profit center in mm change for 500 materials, so if i change manually in mm change for 500 materials is it going to effect for the other company code when they post the transactions please give me your opinions.

thanks in advance and points will be assign for useful answers.

kumar.