Kamfanin Qingdao Qiangli Karfe Structure Co. Ltd, wanda aka samo a shekarar 1998, ya tsunduma cikin kowane irin tsari na injiniyan karfe, kerawa, da kuma girkawa, wanda yake samarda sabis na tsayawa guda ga abokan harka a matsayin babban kamfani na musamman. Mun cancanci zama Qingdao High Technology Enterprise da Mataimakin Shugaban Kamfanin na Jiaozhou Karfe Structure Association.