( 1 ) acid resistance, alkali resistance, corrosion resistance and strong weather resistance;
( 2 ) plastic tray surface design, safe and no mouth;
( 3 ) the surface is bright and clean, reduce garbage residue, easy to clean;
( 4 ) convenient transportation and space saving;
( 5 ) can be normally use in a temperature range of - 30° to 65 °；
( 6 ) there are a variety of color choices, can follow one's inclinations according to the classification requirements;
( 7 ) widely applicable to various environment;
( 8 ) suitable for racking use, flexible turnover.