... corn, wheat, barley, rice, soybean etc. Hopper bottom steel silo Volume: 1,000t - 10,000tTo store corn, wheat, barley, rice, soybean etc ... and bolts.There are three kinds of steel silos.1. Flat Bottom Steel Silo with Concrete Flat Foundation ... 3. Hopper Bottom Steel Silo with Steel Structure Base (10t - 1,200t) Services include designing, budgeting, manufacturing, erecting, maintaining of complete ...