Yongjin kub muag ceev ceev elastic ntaub tiaj tus ua tshuab, tshuab rau weaving tiaj tus elastic band yog ua tib zoo tshawb fawb thiab tsim los ntawm pab pawg R & D, thiab qhov chaw yog meej heev, uas yog los daws cov teeb meem mob ntawm cov neeg siv khoom thiab ua tau raws li qhov xav tau ntawm cov neeg siv khoom. Yog li ntawd, cov ntaub ntawv ntsuas qhia tau hais tias cov khoom ua tau raws li qhov xav tau ntawm kev ua lag luam.
Lub tshuab ua xov paj spandex tsis siv neeg uas muaj peev xwm muag tau ntau tuaj yeem pab cov tuam txhab qhib cov lag luam tshiab thiab tsim thiab sib sau ua ke cov teeb meem ecological, yog li cov tuam txhab tuaj yeem tswj hwm kev sib tw muaj zog ntev. Ntxiv mus, cov khoom muaj cov kev tsim kho tshiab. Kev siv tshuab tau siv los ua kom tau raws li kev xav tau ntawm kev ua lag luam.