Malingana ndi ziwerengero zochokera kwa opanga 25 ofukula pansi ndi China Construction Machinery Industry Association, mu September 2021, 20085 zofukula zamitundu yosiyanasiyana zidagulitsidwa, kuchepa kwa chaka ndi chaka kwa 22,9%;omwe mayunitsi 13,934 anali apakhomo, kuchepa kwa chaka ndi 38.3%;Mayunitsi 6151 adatumizidwa kunja, kuwonjezeka kwa chaka ndi chaka ndi 79%.

Kuyambira Januware mpaka Seputembara 2021, ofukula 279,338 onse adagulitsidwa, kuwonjezeka kwa chaka ndi 18.1%;mwa iwo, 232,312 anali apakhomo, kuwonjezeka kwa chaka ndi 9.16%;47,026 adatumizidwa kunja, kuwonjezeka kwa chaka ndi 98.5%.

Kuchokera pazidziwitso zitha kudziwa kuti msika wapadziko lonse wamakina omanga ukukulirakulira.Thais chifukwa chake Weitai Excavator Final Drive imatha kugulitsa kwambiri padziko lonse lapansi.