Sd yikai storage engineering co., ltd is mainly in designing, manufacturing and erecting of grain storage system which include steel silos (with flat bottom or hopper bottom), handle equipments, cleaning and dust removing system, low temperature drying, aeration system, thermometer system and electric control system. We also offer bags packing machine, full electric or semi-automatic stackers. Origin: China Silos: Galvanized steel plates and bolts The Other equipments are painted or galvanized. Bulk