请高手帮忙翻译一些句子成英文 再线等~谢谢

请麻烦告知贵公司品牌授权的大概费用(仅限于中国大陆地区)
Pls inform us the brand licence charge of your company.(only apply to China Mainland)

Please inform us the amount of your brand authorisation (only for mainland China)

We would like to know the approximate expense referring to the exclusive rights of your brand(restricted within Chinese mainland)

Please inform us the charge of the brand licence of your company.(China Mainland only)

Trouble, please inform your company authorized by the brand probably cost (limited to the Chinese mainland)
应该是对的!!!~~~*^()^*