1.All siv cov ntaub ntawv uas nyias thiab tsis muaj qhuav los kom qhuav tom qab ntxuav, kom qhuav, ntau lawm, ntub;
2.Made los ntawm raw khoom crushing, ntxuav, mus rau hauv cov kev tsim hais yog cia li;
3.Take tag nrho kom zoo dua ntawm high-voltage kev sib txhuam thiab tas mus li cua sov system, automatic tshav kub lawm, yuav tsum tsis txhob mus li cov cua kub, lub zog txuag zog txuag;
4.Siv uas tsis siv neeg hwj chim faib system los xyuas kom meej muaj kev ruaj ntseg hauj lwm ntawm lub cev muaj zog;
5.screw chim txais yuav mas zoo carbon ntxwv steel, check;
6. Elegant tsos ntawm lub tshuab. Xim tsuag xim raws rau cov neeg uas yuav tsum tau;

