Advanced International Multitech Co., Ltd. (hereinafter ”AD Group”) is a large corporation that specializes in the manufacturing of golf club heads, golf balls, shafts, composite materials, carbon fiber components, and accessories for bicycles, such as forks, frames, and aviation products. Which carbon fiber prepreg with special functional resin formulations with different fiber materials to provide professional customization services and they are applied in aircraft interior, electronic device carbon cover, carbon panels, carbon tubes, robot arms & frames, light-weighted elevator cage components, and other industrial carbon fiber components.