中文字幕A级照片_日本护士高潮乱喷www_一级AV在线网站_亚洲国产中文综合激情_亚洲 av无码一二_中文字幕家庭乱伦视频_人与拘牲交大全在线观看_亚洲精彩视频_国产精品成人精品一区二区_青青青免费在线视频

QM

Your Position: Index > QM


GP Group set up the metal analysis labs with well-equipped laboratory equipment.

※ GP Group established the metal labs for improving the quality management capabilities and assists customers in analyzing the causes of various defects.

※ Rapid and accurate analysis the steel ingredient ,grades and metallographic, and verification of various physical strength levels.

※ Labs follow NADCA (North American Die Casting Association) and Chinese national standards.