Yongjin - Makina ojambulira zilembo zogwiritsidwa ntchito pa kompyuta, makina ojambulira zilembo zodzipangira okha, makina opapatiza ojambulira zilembo zogulitsa YJ-NF 4/66
Popeza takonza bwino komanso takweza ukadaulo, tapanga bwino makina osokera zilembo za pakompyuta, makina osokera zilembo zosokera okha, makina osokera zilembo zopapatiza kuti azigulitsidwa bwino komanso apamwamba kwambiri. Katunduyu wakhala akuyamikiridwa kwambiri ndi makasitomala omwe amagwira ntchito m'magawo a Makina Osokera.