... QiLu are used in Automotive ,Aerospace, Power Generation, Oil & Gas, Transportation and Industrial. QiLu Special Steel was established in 1986,it covers ... , such as Alloy Structural Steel, Alloy Tool Steel, Carbon Structural Steel, Carbon Tool Steel, Bearing Steel, Spring Steel ,Stainless Steel, Refractory Steel, Roll Steel, Pinion Steel. Additionally, the company also ...