Qingdao Sino-Mech Kho vajtse Co. Ltd tau trading nyob rau hauv lub thoob ntiaj teb ua lag luam rau ntau tshaj 20 xyoo uas zoo lub koob npe nrov nyob rau hauv lub lag luam thiab ntev sawv kev sib raug zoo nrog ntau tus neeg thiab lwm tus neeg thoob plaws lub ntiaj teb no. Peb cov khoom tseem ceeb yog hluav taws kub kev nyab xeeb thiab hluav taws kev tiv thaiv equipments thiab marine equipments, manufactured thiab tau koom ua ke los ntawm peb cov factories nyob rau hauv Shanghai thiab Qingdao.