The K200 armored personnel carrier is the first troop transport armored vehicle developed by Korea, and we have developed transmission oil filters locally and are currently supplying them to Hanwha Aerospace. We have all the test equipment for quality certification, and in 2016, we obtained the DQ mark certificate from the Korea Defense Technology Quality Institute to certify our quality. It has low pressure loss, high filtration efficiency, durability of 5kgf/㎠, and no breakage even at minus 50℃ and 120℃.