Shenzhen Hongsinn Precision Co., Ltd., founded in 2010 in Shenzhen, is a custom precision machining parts manufacturer. Equipped with 4-axis/5-axis CNC centers, turn-milling machines, and inspection tools like Zeiss and Mitutoyo CMM, we ensure quality. We process metals, plastics, and composites with various heat treatments and surface coatings including anodizing, plating, and nitriding.