oxidized bitumen

We are producing oxidized bitumen in various types of I,II,III including low,medium and high softening point with different penetration and hardness.The oxidized bitumen types including soft grade grade as oxidized asphalt 75/25 85/25 95/25 90/40 also medium grade 90/10 90/15 and hard grade including blown bitumen 115/15 110/15 105/5 105/15 105/35 and 150.