Jujube grades are conventionally expressed as count per kilogram, which is more precise than simply saying large or small. The trade norm is to fix a count range within a grade while capping damage, mould and moisture. Relying on words like premium or grade one alone invites misunderstanding.
Ruoqiang grey jujubes and Hotan jujubes differ in more than size. Grey jujubes are smaller with thin skin, dense flesh and high sweetness, well suited to direct consumption and gift packs; Hotan jujubes are larger and meatier, more often used for dicing, congee and further processing. Comparing the two on the same count standard is not a fair price test.
Moisture strongly affects handling. Fruit that is too wet turns sticky and can ferment in summer transit; too dry and the texture becomes woody. Export contracts normally state a moisture ceiling with testing on arrival.
Three things are worth pinning down at purchase: the count-per-kilo range, the moisture ceiling, and the allowed proportion of damage and mould. Settling these is far more useful than repeatedly confirming which grade a lot is.
