求助英语高手帮我看一下这段有没有语法错误,是否通顺.
Our company,Ken J,is located in the centre of the city for a cell company will make its greatest profit in the most prosperous district.It is on the first floor of a mall whose rent is high.The company has small offices for our employees surrounding a hall which allows customers to choose the mobile phones they like.The address of the company is No.15 Wingston Street and you are sincerely welcomed here no matter as a customer or as an employee.Our company opens from 9 am to 5 pm on workdays and from 8 am to 7 pm on weekends.