Nakong ea matsatsi a phomolo a Letsatsi la Naha ka 2018, Chaena e tlalehile kakaretso ea maeto a bahahlauli ba malapa a limilione tse 726, ao a fetang karolo ea 90 lekholong a neng a kenyelletsa mesebetsi ea setso.
Bolulo ba malapa e le mofuta o mocha oa bolulo ba bahahlauli bo ntse bo eketseha China, ka palo ea malapa a amohelang baeti a imenneng habeli ho 200,000 mafelong a 2017, ho latela lipalo tsa Lefapha la Setso le Bohahlauli la China.
Litšebeletso tsa bolulo ba bahahlauli li hlophisitsoe haholo liprofinseng tsa Zhejiang, Anhui, Fujian le Jiangxi ka bochabela Chaena, Sichuan le Yunnan ka boroa-bophirima, le Guangdong le Guangxi ka boroa, bosebeletsi bo boletse sebokeng sa boralitaba.
Lekala le bitsitse kopanyo ea bohahlauli, boikhathollo le boiphihlelo ba setso e le mokhoa o ntseng o hola Chaena, ka keketseho e kholo ea lihlahisoa tsa bohahlauli tse kopantseng ho bona libaka, matsatsi a phomolo a phomolo, tšebelisano 'moho ea batsoali le bana le boiphihlelo ba setso.