Mu 2008, Tianjin Qianli Pneumatic Zida Commerce & Trade Co., Ltd inakhazikitsidwa.
Mu 2016, Tianjin Qiangli idakonzedwanso kukhala Tianjin Longtop Mining Co., Ltd.Pazaka 10, kaya "Tianjin Qianli" kapena "Longtop Mining", idadzipereka kupereka makasitomala apadziko lonse lapansi zinthu zamakina zamakina zotsika mtengo, kuphatikiza, koma osati zokha, pneumatic thanthwe pobowola zida zopangidwa ndi fakitale.
Mu 2022, Tinakhazikitsa kampani yatsopano, Tianjin Rioto Machinery, yomwe idzakhala makamaka ndi ntchito yogulitsa kunja kwa Tianjin Longtop Mining. Tianjin Longtop Mining Co., Ltd ipitiliza kukhalapo ndikukhala ndi udindo pamabizinesi ena akampani. Ndikukhulupirira kuti makasitomala onse atha kumvetsetsa ndikuthandizira.
Pazaka 14 zapitazi, mwa mgwirizano ndi mayiko osiyanasiyana ndi zigawo za mabizinezi migodi, ogulitsa zida ndi zinachitikira anasonkhanitsa, tingathe kupereka makasitomala ndi yake ndi zolondola makampani ndi mankhwala zambiri; Malinga ndi zosowa zosiyanasiyana za makasitomala kuti apatse makasitomala zinthu zogwira ntchito kwambiri komanso zofananira mtengo ndi ntchito.
Zogulitsa zazikulu ndi ntchito zomwe titha kupereka kwa makasitomala athu:
1.Mining pobowola makina ndi zipangizo zothandizira ndi zipangizo
2.Mine mpweya mpweya zipangizo (Kuphulika-umboni ndi osaphulika-umboni)
3.Mine ngalande zida (submersible mapampu, diaphragm pampu)
4.Mine kuyatsa (mitundu yosiyanasiyana ya nyali za mgodi)
5.Zida zoyendetsa migodi (mitundu yosiyanasiyana ya winch yoyendetsa, scraper, galimoto yotayira, etc.)
6.Mine chitetezo katundu
Tikuyembekezera kugwira ntchito ndi makasitomala athu m'zaka khumi zikubwerazi kuti tipitirize kupanga phindu lalikulu kwa makasitomala athu ndi zinthu zathu zabwino ndi ntchito.