一区精品二区精品三级视频 野处乡下一级毛片 夜夜爽妓女8888视频免费观看 欧美成人性爱综合网怡红院

  • <nav id="aywsf"></nav>

    • <s id="aywsf"></s>
        1. <nav id="g9olo"><button id="g9olo"><strike id="g9olo"></strike></button></nav>
          • 中文
          • English
          • HOME
          • About
          • Products
            • Engine industry
            • Gear Industry
            • Bearing Industry
            • Cutting Tool Industry
            • Iron and steel Industry
            • Photovaltaic Industry
            • Aeronautics and Astronautics Industry
            • Glass Tools
            • Superhard abrasives
            • General bonded abrasives
          • News
            • Company news
            • Industry news
          • Contact Us

          Products

          • Engine industry
          • Gear Industry
          • Bearing Industry
          • Cutting Tool Industry
          • Iron and steel Industry
          • Photovaltaic Industry
          • Aeronautics and Astronautics Industry
          • Glass Tools
          • Superhard abrasives
          • General bonded abrasives

          Engine industry

          • Internal cylindrical grinding vitrified CBN grinding wheel

            Internal cylindrical grinding vitrified CBN grinding wheel

            Internal cylindrical grinding vitrified CBN grinding wheels are mainly used for high precision internal grinding of piston, automobile steering pump, rotary vane compressor stator, piston refrigeration compressor cylinder and bearing.Product features

          • High-precision electroplating CBN mounted points

            High-precision electroplating CBN mounted points

            High-precision electroplating CBN mounted points are used for precision grinding of gears, worm, nozzle, bearing sleeve and auto parts.Grinding materials include alloy steel, high-speed steel, ceramics, powder metallurgy and so on.

          • Slot grinding Electroplating CBN grinding wheel

            Slot grinding Electroplating CBN grinding wheel

            Slot grinding Electroplating CBN grinding wheel is a high precision grooved grinding wheel.It is mainly used for grooving and grinding of automobile transmission shaft, steering valve core, rotary vane compressor, vane pump rotor slot and other indus

          • valve lock clamping groove grinding wheel

            valve lock clamping groove grinding wheel

            Valve lock clamping groove grinding wheel has high sharpness, strong abrasion resistance and high hardness.And the characteristics of large grinding ratio.The grinding process of engine valve includes grinding of external cylindrical surface, grindin

          • Vitrified CBN External grinding wheel

            Vitrified CBN External grinding wheel

            Vitrified CBN External grinding wheel is mainly used for cams and journals of automobiles, tractors, and engine crankshafts and camshafts.

          • Vitrified CBN surface grinding wheel

            Vitrified CBN surface grinding wheel

            Vitrified CBN surface grinding wheel is used for grinding the end face, piston ring, gasket, filling piece, compressor part, semiconductor material, magnetic material, cutter, stator of vane pump, rotor, blade end, precision spring, etc.Characteristi

            Quick navigation:

          • About Us
          • Products
          • News
          • Contact Us

          Bold Group

          Forturetools

          Yucheng Diamond

          BYD Abrasives

          YuCheng

          Malaysia
          ADD: No.10 Dongqing Street,
          High&New tech Development Zone.
          Zhengzhou, Henan, China.
          Postal code: 450001 E-mail:info@bold68.com
          Phone: 0371-67662016 86162612
          ?Copyright 2004 Zhengzhou Bold Abrasives Co., Ltd. All Rights Reserved.
          Leave Message Fold Window
          Name
          Telephone
          E-mail/QQ
          Message

          感谢您访问我们的网站,您可能还对以下资源感兴趣:

          一区精品二区精品三级视频 野处乡下一级毛片 夜夜爽妓女8888视频免费观看 欧美成人性爱综合网怡红院
          香蕉久草官网在线观看| 中文字幕无码专区人妻一区| 亚洲无线码一区二区三区| 欧美国产日韩综合在线第四页| 91青草视频久久| 亚洲香蕉一区二区| 无码人妻精品一区二区三| 国产乱精品自在线免费亚洲一区无码中字 | 精品国产综合成人亚洲区| 国产精品一区二区免费| 色综合?V综合无码综合网站| 欧美人妻一区二区三区| 久久精品国产亚洲AV日韩| 欧美日韩一级视频| 亚洲午夜无码AⅤ毛片久久| 成人无码毛片在线观看| 日本精品久久久久中文字幕| 婷婷五月高清国产炮机| 亚洲中文字幕影院| 日本强奸在线久草| 成人网站视频中文字幕| 久久久久夜夜夜精品国产| 亚洲精品第一国产综合高清| 成人A毛片免费视频观看| 日韩黄色一级视频| 日韩束缚无码aV无码| 久久久亚洲欧洲日产国码aⅴ| 亚洲成人高清玩弄人妇 | 色婷婷亚洲一区二区三区| 国产精品久久波多野结衣| 国产午夜精品一区二区三区嫩草 | 国产精品羞羞无码久久久苹果| 欧美特黄片免费观看一区二区| 丁香婷婷综合激情五月色| 日韩欧美一区二区三区久久婷婷| 久久精品中文字幕极品| 亚洲一区二区在线| 亚洲一区二区三区视频| 欧美人妻一区二区三区| 国产乱精品自在线免费亚洲一区无码中字| 亚洲国产精品99久久久久久久久|
        2. <label id="8z8bg"></label>