Facing the increasingly fierce market competition, enterprises urgently need to shape their brand image through unique appearance design, so as to effectively expand market share and deepen consumers' brand impression on enterprises. Product serialization design mainly solves the innovation and consistency of the positioning and export of the whole set of products of enterprises. Make Ketai products more in line with specific consumer groups and market needs. According to the different development stages of enterprises in the later period, serialized design can also effectively help enterprises create product language. Gradually let mass consumers know and be familiar with Ketai's brand in products.Combined with the problems existing in the existing products, the single optimization design was carried out. By changing the overall modeling relationship between the front and rear covers and the main body, the visual balance is realized. Through design, all parts of the product are integrated to enhance the overall aesthetic feeling. In terms of design details, it is different from similar products on the market, with rich overall modeling content and full of sense of mecha, and adopts X-type family-style design language, which has more prominent features, more firm and durable modeling, improved brand recognition, realized the unity and integrity of design style, and paid attention to personalized expression, so as to meet the different needs and aesthetic preference of consumers through personalized design elements and details. Combining modeling elements with brand culture, the brand concept and value concept are conveyed through design, and then the intangible brand culture is transformed into tangible design language to enhance the cultural connotation and added value of the brand. Improve the practicality and aesthetics of products, and at the same time enhance the sense of integrity and quality of products.Products break the inherent modeling of traditional valve instruments, making new products more unique to enterprises, showing the formal beauty and functional beauty of products in a brand-new form, and making them more culturally valuable. The product material is an integrated molding process, which shows the ultimate technology of instrument materials. The current finished product display has more scientific and technological beauty of instrument products, which opens the gap with the same type and shows the beauty of design integration.The products are designed in a stacked way, and the radiating fin elements are in line with the industry attributes of the enterprise, which is beneficial to the brand building of the enterprise and conforms to the enterprise culture.The shell adopts integrated molding technology to meet the use environment of the product, which is in line with product safety. The nameplate position is stuck at the top, which is in line with the consumer's use habits. The product display area can be adjusted bidirectionally to meet different installation environments and meet the product's ease of use.