Na October 15^th, 2021, Guangdong Jingan Safety Assessment Consulting Co., LTD nke akwadoro na ọkwa nke State Adminisitration of Safety Safety na-abịakwute ụlọ ọrụ anyị iji lelee ma nabata ọrụ nchekwa nchekwa anyị nke a na-akpọ 'Mepụta 50 nde ngwaahịa aerosols festive kwa otu. afọ'.

Ndị bịaranụ nwere Onye isi ala Li, Onye njikwa Li nke ngalaba nhazi na nchekwa, Liu nke injinia nchekwa agbaziri agbaziri, Chen nke ngalaba R&D na ndị nyocha sitere na ụlọ ọrụ Jingan.

Nzukọ a lekwasịrị anya na ọnọdụ akụrụngwa anyị.Nke mbụ, onye isi ala anyị nyere nkọwa gbasara ụlọ ọrụ anyị wee kọwaara ha ihe nchekwa nchekwa.Mgbe ha nyochachara ma gee akụkọ anyị, ha jụrụ ajụjụ gbasara okwu ndị ọzọ.Site n'otu awa nzụkọ, mmadụ niile na-abịa n'ebe ụlọ ọrụ mmepụta ihe iji lelee ma akụrụngwa nchekwa ezuola ugbu a.

N'ikpeazụ, ndị nduzi sitere na ụlọ ọrụ Jianan mara ọkwa na a nabatara ọrụ nchekwa anyị nke ọma.