Introduction: Harvatek (Hongqi) was founded in 1995, mainly engaged in research, development, design, manufacturing, testing, and import and export trade of semiconductor chips and light-emitting diode packaging, and belongs to the downstream packaging industry of LED. In recent years, due to the rapid cost of the personal communication market, surface adhesive light-emitting diodes with small size, power saving, long service life, and pressure resistance have been widely used as light sources for mobile phones, PDAs, and laptops. At present, Hongqi's product sales cover different types of customers such as OEM manufacturers, domestic and foreign channel agents, trade retailers, downstream application product manufacturers, and Design Houses; The sales regions of the products cover both domestic and international markets, with Asia being the primary focus; Harvatek official website: www.harvatek.com.