1. express your interest with their product, 2. ask for the detailed information, 3. a wish for possible business cooperation in the future. You should write about 100 words on answer sheet. Do not sign your name at the end of the letter. Use "Jane Green" instead. You do not need to write the address.
【参考答案】
May 4th，2009 Dear Sir, We owe your name and address to Beiji......