Hais txog cov khoom no 1, 800 lb. Lub peev xwm winch tsim los ua kom tau raws li koj qhov kev xav tau hnyav tshaj plaws Cov yam ntxwv muaj txiaj ntsig zoo, lub nruas nruas bearings, roj-impregnated ncej bushings, thiab 10 nti 'kev nplij siab tuav' kov kom yooj yim ntawm Cranking High- Carbon Steel iav rau lub zog zoo tshaj plaws thiab kev ua haujlwm ntev ntev Stamped carbon Steel ncej muab rigidity, ib qho tseem ceeb rau kev sib dhos iav thiab lub neej voj voog ntev Muaj xws li 20 ko taw pluaj nrog hlau swb nuv thiab kev nyab xeeb latch Haum hom: Tsheb S ...