... &investment casting, die casting,extrusion and machining Aluminum Die Casting Parts for Fall Protection Equipment Material: cast iron ASTM A48 CLASS 25 ... ,ASTM A732/A732M 4130,A108 G10180,ASTM A519 UNS G10400 aluminum ASTM B221 6005A-T5,6061-T651,7075-T651;ASTM B26 ... plate,pressure plate,shaft,hook end,sliding lock,extension housing, tripod leg...Our advantages:1. 8000 metric tons of machined castings ...