super阿狸
法律分析：律师函是指律师受当事人委托，根据当事人的要求作出的一种法律文书。律师函分为很多种类，其中追讨欠款的律师函是用于债权债务关系中，债务人不履行还款义务的一种律师函。
法律依据：《中华民共和国律师法》 第二十八条 律师可以从事下列业务：接受自然人、法人或者其他组织的委托，担任法律顾问；接受民事案件、行政案件当事人的委托，担任代理人，参加诉讼；接受刑事案件犯罪嫌疑人、被告人的委托或者依法接受法律援助机构的指派，担任辩护人，接受自诉案件自诉人、公诉案件被害人或者其近亲属的委托，担任代理人，参加诉讼；接受委托，代理各类诉讼案件的申诉；接受委托，参加调解、仲裁活动；接受委托，提供非诉讼法律服务；解答有关法律的询问、代写诉讼文书和有关法律事务的其他文书。
虫子在睡觉
Dear XXX:We understand your difficulties very well, but business is business. The company has a mandatory rule that no delivery will be made without receiving the balance.In order not to affect the normal operation of each other's business, please pay in time.If the payment is not received beyond the prescribed time, we will charge interest according to the actual practice and ask you to pay additional storage fee.If payment is not to be make exceeds the specified time half a month , we will handle it through the Chinese Embassy in your country.At the same time, we will also inform other Chinese suppliers and your competitors of your dishonesty in the form of a letter, and take legal measures to solve the problem.Therefore, in order not to damage your business and reputation, please cooperate with us in payment.Regards!XXX
