Peb txoj kev mus nyob mus ib txhis yog tus cwj pwm ntawm kev xav txog kev ua lag luam, suav nrog kev cai, suav nrog kev tshawb fawb thiab kev xav ntawm qhov zoo ntawm qhov yooj yim, kev ntseeg thawj zaug thiab kev tswj hwm qib siab rau Tus Kheej Lift Rau Tsev,5 Tuj Tsheb Lift, Neeg nrog caij Hoist Lift, Chaw Nyob Traction of Elevator,Ua haujlwm of Elevator.Peb lav zoo, yog tias cov neeg siv khoom tsis txaus siab rau cov khoom zoo, koj tuaj yeem rov qab rau hauv 7 hnub nrog lawv cov thawj lub xeev.Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li Europe, Amelikas, Australia, Indonesia, Bahrain, Tajikistan, Greece.Peb cog lus tias peb muab tag nrho cov neeg siv khoom nrog cov khoom zoo tshaj plaws, cov nqi sib tw tshaj plaws thiab kev xa khoom sai tshaj plaws. .Peb cia siab tias yuav yeej lub neej yav tom ntej rau cov neeg siv khoom thiab peb tus kheej.