Yana samar da sararin ajiya don horar da dumbbells kyauta a cikin horon juna, sarari mai matakai biyu don nau'i-nau'i 10 na dumbbells 20 tare da nauyin yau da kullun, da ?arin sarari a saman yana ba da damar adana kayan ha?i kamar ?wallon motsa jiki, ?wallon magani, da sauransu. Godiya ga sarkar samar da kayayyaki mai ?arfi da samarwa ta DHZ, tsarin firam ?in kayan aikin yana da ?orewa kuma yana da garanti na shekaru biyar.