Kugwiritsa ntchito ukadaulo wapamwamba kwambiri kumapangitsa kuti makina oluka a Narrow fabric needle loom agwire bwino ntchito, makina oluka a elastic band. Angapangidwe kuti akwaniritse zosowa za makasitomala osiyanasiyana. Ubwino wa malonda umavomerezedwa ndi makasitomala. Chifukwa chake, angagwiritsidwe ntchito kwambiri pa Makina Olukira.
Kupanga makina opangidwa ndi elastic band yopangira ma boxer shorts kumadalira ukadaulo wa R&D wachikulire komanso malo olondola pamsika, komanso zaka zambiri zofufuza mosamala. Kuphatikiza apo, malonda opangidwa ndi makonda amaperekedwanso kuti akwaniritse zofunikira za makasitomala.
Mainjiniya athu ndi akatswiri athu ali ndi chidziwitso chakuya pa chitukuko chatsopano cha ukadaulo. Mpaka pano, takhala tikugwiritsa ntchito ukadaulo watsopanowu mokhwima. Ndi wotchuka kwambiri m'magawo ogwiritsira ntchito makina odzipangira okha a Yongjin kuti apange lanyard.
Ukadaulo wapamwamba umagwiritsidwa ntchito popanga makina opangira riboni a Yongjin, omwe ndi nsalu yopapatiza yopangidwa ndi singano. Chifukwa cha kukula kwa magwiridwe antchito a chinthucho, mitundu yake yogwiritsidwa ntchito ndi yayikulu kwambiri ndipo yakulitsidwa kumunda (magawo) a Makina Olukira.