Sitima yothamanga kwambiri ndi "wogwiritsa ntchito aluminiyamu wamkulu". Zoposa 85% za zida zamagalimoto zamagalimoto a njanji yothamanga kwambiri ndi aluminiyamu extrusion zida. Masitima othamanga kwambiri omwe ali ndi liwiro la makilomita opitilira 200 pa ola ali ndi zofunika kwambiri pakupepuka, kusindikiza ndi kukana dzimbiri, pomwe aloyi ya aluminiyamu imakhala ndi mawonekedwe opepuka, mphamvu yayikulu, kukana dzimbiri komanso pulasitiki yolimba, zomwe zimapangitsa kuti mawonekedwe a aluminiyumu agalimoto azikhala ndi zabwino zonse pakugwiritsira ntchito magalimoto anjanji. Pakadali pano, magalimoto omwe akuyenda panjanji yothamanga kwambiri ku China kwenikweni ndi magalimoto amtundu wa aluminiyamu.

Jinlong zotayidwa bwino anayamba ndi kupanga zotayidwa extrusion mankhwala kwa mkulu-liwiro njanji galimoto galimoto kuchokera 300km / h, 350km / h kuti 400km / h, ndi mankhwala ena ndi lalikulu mtanda gawo, monga mbale lonse kutsogolo kwa mkulu-liwiro njanji galimoto.