日日摸处处碰夜夜爽_91在线无码精品秘入口动漫板_亚洲最新毛片一区二区三区_在线精品视频播放_色狠狠av老熟女_a天堂最新版在线观看中文_GaY男男免费网站视频软件_国产女子私密保健养生馆_免费观看人成视频大全_夫洗澡公强我了60分钟

Hole defect processing capacity:

As a professional test block production enterprise, our company has all kinds of processing equipment, which can process all kinds of aperture flat bottom holes, sharp holes, ball holes, through holes, the minimum aperture can be processed at present is φ0.1mm.