客户要求信用等级评估--我们给他们

最近的一个保加利亚的客户： we are interested in office chairs and computer desk, just take into consideration we need to get insured stock credit. for this purpose you he to contact credit rating agency (cra) and to provide some documents (prepared by my company) to estimate the possible credit line. we will pay 10 to 15% in advance to start the production and the rest will be paid 60 to 90 days after containers arrival at port varna, bulgaria (insured by cra). please discuss this with your managers and if you are interested in, i will send you the entire documentation (turnover, financial statement, etc.) 各位大神帮个忙，这个一般是客户自己评估，把报告发给我们，还是让我们给他们的？ 我们的话，难道找标普，惠誉和穆迪吗？ 有没有接触过的，帮忙分析分析。 谢谢！