If I will cancel my visa after 6 month can company...

In case of not attending work for an illegal reason before the end of the contract period, no other work permit is granted to join another job in the country for a period of one year from the date of interruption from work, nor is it permissible for any other employer who is aware of this to employ him or keep him in his service during that period. .

This is according to the provisions of the Labor Law, which are as follows:

Article 50

If a foreign worker quits work for an illegal reason before the end of the contract period, no other work permit is granted to join another job in the country in accordance with the provisions of this Decree-Law, for one year from the date of quitting work, and no other employer knowing of that may use it. or keep him in his service during that period