The intelligent door lock industry is now very popular, and Senior high school low-end markets are relatively mature. This product focuses on the mid-market, and craftsmanship needs to balance cost and quality. At present, the appearance of intelligent door locks on the market is varied, some take antique routes and some play strange shapes. After investigation and analysis, craftsmanship defines the style of middle-end intelligent door locks-low-key and high-quality. This requires the product form to be simple and stable, and the details are fully in place. The design team started brainstorming around this positioning and put forward the concept of "diamond encrusted". Through mature knurling process, delicate diamond texture is made on the surface. Under natural light, the gloss of the product surface will form dynamic gradual discoloration. This concept has finally been unanimously approved by the team and customers. At present, the sales volume of this product has greatly exceeded the original expectation. Design without thinking lacks soul, and products without polishing lack quality.