急急急，谁可以帮助我翻译，不用翻译软件(英语）

Your suggestion is very good. Because they are your customers for many years, I want to know something about this small meeting of marketing department as follow:
First, what help and service can we provide?
Second, if it's telecom, what's the probable level and how many people would attend?
Third, if there are also other industries, which industries would be? So we can better position and make a good plan for the activity.

your proposal is great. I would like to know what kind of help and service we can provide at the meeting held by the marketing department since all people who will attend the meeting are your customers with long term partnership.

for information, we would like to know the rough number of people who will be present and their positions. the information of people from other industries attending the meeting is also helpful if there are any. All these are necessary for us to plan this meeting and determine its orientation.

Your proposal is quite appreciated. and about the small meeting of marketing department, I want to know what kind of helps and services we can offer, because the attendees are your clients for a long time.

If it is telecom, which level may it be and how many people will participant?

Are there any other industries? only when we get this information, we can setup the target exactly and plan for the event perfectly.

首先我必须说你这个中文写的很乱。
Your proposal is very good.
As the attendants of the exhibition are your customers with long years' cooperation, I would like to konw soemthing as below:
what kind of service we could offer?
If they are telecommunications, what kind of level they are and how many people is likely to be?
If there are other industries, which kind are they?
Then we could have a better orientation and up to a better arrangement.

Your proposal is very good, on the marketing of small meetings, as these co-participants are your customers for many years, I would like to know

What we can offer help and services.
If telecommunications are probably what kind of level, is likely to be few people participate,
If there are other industries, are those industry personnel, so as to better position, we can also do a good job planning this event.