$Qilian International (QLI.US)$Over the past 5 years, revenu...

$Qilian International(QLI.US)$Over the past 5 years, revenue has increased for 4 years except 2019, but operating profit has declined rapidly for 3 years since 2020. 2020 was mainly affected by high costs, while 2021 and 2022 were mainly affected by sharp increases in operating expenses.