The import value of Chinese pearl was 39% higher than the export value in 2017
The southeast Asian countries are rich in pearls
Changsha and Guangzhou are the two largest import customs Air is the largest way of transportation of import pearls, take over 66% Hong Kong is the largest destination country of pearls
Shenzhen is the largest customs of pearls export
Air and Truck are the top 2 ways of tansportation