1. 60° sloped retaining edge is adopted which is suitable for the two-tier display of chopping board and drain basket. The unique placement of accessories not only creates three-dimensional usage experience but also reduces the storage space of the accessories. 2. The design of large single slot is conducive to the placement of utensils. 3. The surface treatments of mirror and wire drawing are adopted which is beautiful and practical. 4. Double-layer super-large strainer, full stainless steel tank and new large diameter sewer system could ensure smooth and free flowing.