Conducted series of steel silo project of Jidong Cement Co., Ltd.., and completed the steel silo group consisted of Φ15m×H25m×8 cement silos, Φ7m×H10.5m×4 bulk silos, Φ15m×H24m×1 fly ash silo, Φ15m×25m×1 fly ash silo, Φ15m×25m×10 cement silos, Φ8m×16m×3 bulk cement silos and Φ8m×13.52m×3 cement silos.