Huizhou Guge Musical Instrument Co., Ltd. has obtained a number of important product patents, marking a major breakthrough in its technological innovation in the industry. The patent covers appearance design patents for pliers, musical instrument fret files, trimming files, grinding knives, electric guitar switches (sector-shaped), and multifunctional voice changers, as well as EU certificates. The appearance patent certificate can ensure the uniqueness and market competitiveness of the product design and prevent others from imitating it, and the EU certificate provides compliance protection in the European market, enhancing the product's credibility and sales opportunities. The combination of the two can effectively enhance brand value and legal protection and enhance market competitiveness.