Bo-Shun Chang ( Peter Chang) He has more than ten years of experience in engineering, design, and management. Working as an electrical control engineer for plastic injection molding machines for three years, he has experience designing electrical material BOM tables and program controls for 180 sets. In addition, he has handled 130 domestic and foreign machine customer complaints. He managed 73 video projects in five years. The most significant contribution was to improve equipment rental and promote the standard contract system, saving the company more than 30% of costs. In the past two and a