UPS的单号的组成形式为：1Z XXX XXX YY ZZZZ ZZZCX = 寄件人的UPS账户号码（6位数）Y = UPS服务等级号（2位数）（具体含义会在下面列出）Z = 包裹的识别号 （7位数）C = 校验位UPS服务等级号含义 （即上面的Y字符）01 UPS United States Next Day Air ("Red")UPS次日达02 UPS United States Second Day Air ("Blue")UPS第二个工作日结束前送达03 UPS United States GroundUPS陆运12 UPS United States Third Day SelectUPS第二个工作日结束前送达13 UPS United States Next Day Air Saver ("Red Saver")UPS次日达（空运）15 UPS United States Next Day Air Early A.M.UPS次晨达（空运）22 UPS United States Ground - Returns Plus - Three Pickup AttemptsUPS陆运（最多派送三次）32 UPS United States Next Day Air Early A.M. - CODUPS次晨达（）33 UPS United States Next Day Air Early A.M. - Saturday Delivery, CODUPS次晨达（星期六派送，）41 UPS United States Next Day Air Early A.M. - Saturday DeliveryUPS次晨达（星期六派送）42 UPS United States Ground - Signature RequiredUPS陆运（需亲笔签名）44 UPS United States Next Day Air - Saturday DeliveryUPS次日达（星期六派送）66 UPS United States Worldwide ExpressUPS全球特快 （1-3个工作日送达）72 UPS United States Ground - Collect on DeliveryUPS陆运（）78 UPS United States Ground - Returns Plus - One Pickup AttemptUPS陆运（只派送一次）90 UPS United States Ground - Returns - UPS Prints and Mails LabelUPS陆运（打印回邮标签）A0 UPS United States Next Day Air Early A.M. - Adult Signature RequiredUPS次晨达（必须成人签名）A1 UPS United States Next Day Air Early A.M. - Saturday Delivery, Adult Signature RequiredUPS次晨达（星期六递送，必须成人签名）A2 UPS United States Next Day Air - Adult Signature RequiredUPS次日达 （必须成人签名）A8 UPS United States Ground - Adult Signature RequiredUPS陆运 （必须成人签名）A9 UPS United States Next Day Air Early A.M. - Adult Signature Required, CODUPS次晨达（必须成人签名，）AA UPS United States Next Day Air Early A.M. - Saturday Delivery, Adult Signature Required, CODUPS次晨达（星期六递送，必须成人签名，）

UPS本来就在提供这项服务，当UPS受理了您的货件运送请求后，您可以将货件运送至UPS的对应的drop off store暂存（类似于国内的分拣中心或门店），这时store中的工作人员会给您的货件贴上相应的标签（比如prepaid label），但是，您千万不要以为只要有这个标签够了，这也是很多卖家在出现货件丢失等问题时吃亏的地方。

1K=1000伏安
2K=2000伏安
3K=3000伏安
就是说带负载能力的大小呗,即：最大承载能力

指不间断电源。小的就是应急灯电源，大的要能供楼宇照明，关防火门的用电