... 4. Perfect Service 5. On Time Delivery Our advantage:1:steel grade:1018,1020,1045,4140,4130,4340,4330,8620,9840 ... on.2:technique:forged,hot rolled, cold drawn,rolling and so on.3:application:structural steel bar, die steel bar, tool steel bar and ... so on.4.Excellent after-sales service5.Delivery condition: Hot forged, Heat-treatment ...