作为邮政的重点业务之一,商函业务的量收近年来大幅增长。从商函的客户层面来说,随着社会商业化程度的加深,客户对于邮政的服务质量和时限要求越来越高。以深圳移动的话费账单为例,每批近100万封商函账单从制作到投递一般要求在3～5天内完成,因此,深圳邮政商函制作中心最短要在 As one of the key postal businesses, the volume of business letters has risen sharply in recent years. From the customer letter of business side, with the deepening of the commercialization of the society, customers are demanding higher and higher quality of postal services and time limits. Take Shenzhen Mobile’s bill as an example. Each batch of nearly 1 million letters of correspondence will be completed within 3 to 5 days from the production to delivery. Therefore, the shortest time for Shenzhen’s postal letter making center is