our clients covers Argentina , Australia , America , Ethiopia , Honduras , Iran , Korea , Malaysia , Poland , South Africa , Sudan , Thailand , Ukraine , Vietnam , etc . we specialize in designing , manufacturing and installing of the assembly type silos and accessories . the steel silo is specially designed by our senior engineer , made of high-quality galvanizing steel sheets , 275g/m2 , 350g/m2 , 400g/m2 hot dip galvanizing coating is available for your choice . life cycle of the products can come up to 20-50 years . our products are completely comply with the national stardand of GB50322-2001; "the grain code of silo design "and have reached the advanced national levels in performance . we can produce various kinds of steel silos of flat-bottom or hopper-bottom (all are available to the customers&＃039; demanding and drawing ), the diameter ranging from 1.8 to 32 meter and the capacities from 5 to 12000 tons per storage bin . we promise ro provide with the best quality products , the most reasonable price , the most prefessional and quickest after sales services to our clients ! shelley engineering welcomes friends to our company from all over the world .