Irregular articles: longest (cm)× widest (cm)× highest (cm)÷6000= weight (KG)

Ordinary express has electronic scales, the first weight is within 1kg, and the second weight is outside 1kg. Generally, the second weight is cheaper than the first weight. 2 yuan only counts weight, not volume, and the starting price is 8 ~ 12 yuan. Of course, things that are too big will also be calculated by volume.

Personal express takes air to calculate the volume and weight, and they will bring scales and rulers.

For example, SF Express can calculate the amount of money on its website. The starting price in 20 yuan is fast and safe, but the disadvantage is that things are limited and expensive.

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Service companies derived from door-to-door logistics activities with postal functions are called courier companies, which use railway, highway, aviation and other modes of transportation to deliver customers' goods quickly.

Express companies can operate on different scales, from serving specific towns to serving regional, transnational and even global services. The major express delivery companies in China include SF Express, Yuejin Express, Best Express, ZJS Express, ZTO Express, Shentong Express, Tong Yuan Express, Dayun Express and Guo Tong Express.