国产又黄又骚又猛欧美_2020久久国产精品_一起怼怼怼的免费软件_女人让男人桶10分钟小视频_欧美老妇性爱在线_丰满少妇一级毛片试看一分钟_婷婷色九月欧美精品综合_日韩亚洲亚洲视频_亚洲天堂成人网站_十大免费的污污香蕉视频好色先生

Quality assurance system: The company has quality inspection team, digital real-time imaging system, imported system helium leak detection station, German density equivalent instrument, spectrum analyzer, Hexagon three coordinates, tensile testing machine, hardness machine, X-ray lossless Inspection machine, etc..In the research and design process of molds and products, we use the genuine German Siemens industrial software NX and Procast casting mold system software for auxiliary optimized design. Our production process is in accordance with the 6S modern management to achieve the whole process control. The company has passed ISO9001, IATF16949, SVTI and other international quality management system certification.