I must take issue with your over what you said at the meeting.
我要和你好好谈谈你在会上说的那些话。(take issue with someone: 对某人的观点提出异议。)
If you can guarantee on-time delivery with a penalty for late delivery, we can accept your sales price.
如果你能保证用惩罚延误发货方式准时发货,你的销售价我们可以接受。