Dear sir/madam,POWERTRAC has grown to become the top ranked company in the area of metal heat treatment company in Korea as well as to be a prominent manufacturer of heavy equipment parts such as track rollers, track links, sprockets, idlers, flanges, buckets & boom pins.The most important factors of steel industries are to employ optimum conditions of heat treatment and to do accurately machining according to the customer&＃39;s instructions. For this, POWERTRAC special heat treatment processes provide consistent surface hardness, superior quality of hardening depth and strong core hardness which results in excellent wear resistance, strength, and durability for long life to its products. The most advanced manufacturing facilities also guarantee high quality of products.POWERTRAC such a fine reputation in this industry is the result of high technology of heat treatment, our engineering expertise, high tech manufacturing equipment, using top class raw materials, and rigid quality control system in accordance with ISO 9002 standards.[Product]BOTTOM ROLLER