能帮我指出这篇短文的语法错误么?

能帮我指出这篇短文的语法错误么?
Dear Sir or Madam,
We welcome your enquiry of date and thank you for your interest in our products.We have received your enquiry of date with thanks,and are glad that your are interest in our product.
A copy of the illustrated catalog sent to you today,some of the samples.We often use in our production.Enclose our latest catalog and price list,a copy of the products we deal with are well-known,excellent quality,and has been sold to many countries.This product has many colors.Such as white,blue,red and so on,it is voile (single weft normal quality ),100%polyester,50G/M2(±2GSM)，Ready-made curtain，with 8 SILVER，without headband.
For details,please refer to our catalogue.Should you need further information not yet coverer by the above mentioned catalogue and price list ,please don’t hesitate to let us know.
We look forward very much to pleasure of receiving an order from you.