1.Siv: Thov rau steel-phaj kab rov tav lossis ntsug hoist thiab overturn ntawm seem steel
2. Chaw thau khoom ntau: 0 txog 10 tuj.
3.It yog tsim los ntawm qis-carbon high-zoo alloy steel forging.
4.Rated load tshwm sim los ntawm 1 kev ntsuam xyuas yog suav tias yog tus qauv, thaum lub sij hawm hoist, siv tau ib lub crane, tab sis thaum lub sij hawm hoist kab rov tav, yuav tsum tau ntxiv cov nqaj.
5.Thaum lub hoist, dai khoom yog txwv tsis pub sib tsoo.
6.Test load yog qhov max, kev ua haujlwm load ntawm 2 zaug.
7. Tsis txhob overload siv.