Derilong ne mai sana'a a kasuwanci taɓa kayan aiki, R & D da kuma samar da kai taimako tashar inji, samar da sana'a sabis shirye-shiryen masana'antu daban-daban, da kayayyakin da ya fi hada da: azurfa Medictong, masana'antu, masana'antu sarrafawa, capacitive taɓa allon a cikin inji, bincike inji, rajista inji, biyan kuɗi inji, asibiti kai taimako inji, kai taimako bashi littafi inji da sauransu. Kwarewa masana'antu: al'ada irin taɓa kai-taimako na'ura, taɓa talla na'ura, taɓa kai-taimako na'ura, bango-sanya taɓa koyarwa na'ura, infrared taɓa abinci na'ura, mara waya jerin kira na'ura, multimedia taɓa kai-taimako na'ura masana'antun.