Coreless stretch zaj duab xis, Nws yog tsim rau kev thauj mus los ntawm cov khoom thauj mus deb, thiab yog dav siv rau kev sib dhos ntawm cov khoom siv niaj hnub, xws li dej haus, zaub mov, khoom siv hauv tsev, ceramics, vuas, xov hlau, cables, phau ntawv, khoom siv hauv tsev, textiles, machinery loj, thiab lwm yam.
