With the originality and progressiveness accumulated by the company in the production technology and process of aluminum nitride ceramic casting for many years, the aluminum nitride ceramic substrate products of the company have high thermal conductivity, low dielectric constant and dielectric loss, and excellent mechanical properties, and are one of the most ideal materials in the field of electronic applications. The company's products are mainly used in 5G communication, LED packaging, semiconductor, power module (IGBT), image sensing, new energy vehicles and other high-tech fields. The products are supplied to many domestic industrial fields and many large-scale well-known electronic component manufacturers. After years of market verification, the reliability and stability have been unanimously recognized by customers. The quality has reached the international leading level. The production scale and the market share is leading in all respects.