国产免费人成视频网|色一情一伦一区二区三|欧美日韩免费r在线视频|欧美黄色一区二区在线观看|亚洲一区在线视频在线观看|国产AV尤物网站蜜芽麻豆|日韩丝袜无码一区二区三区在|国产精品一区二区三区在线观看


            • 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:

            国产免费人成视频网|色一情一伦一区二区三|欧美日韩免费r在线视频|欧美黄色一区二区在线观看|亚洲一区在线视频在线观看|国产AV尤物网站蜜芽麻豆|日韩丝袜无码一区二区三区在|国产精品一区二区三区在线观看
            国产一级久久久免费看|国产精品99久久久久|亚州**色毛片免费观看|老熟妇仑乱视频一区二区|在线精品亚洲一区二区34|亚洲av无码不卡在线播放|久久久香蕉国产线看观看精品|成人免费午夜无码视频在线观看 国产目拍亚洲精品二区|久久国产亚洲高清观看|亚洲欧美国产精品完整版|91嫩草久久久精品影院|国产精品美女久久久久网站|精品无码一区二区男人吃奶|亚洲国产成人在人网站天堂|亚洲AV中文无码乱人伦在线视色 国产亚洲欧美在线|精品九九久久精品电影|久久棈品国产精品亚洲|欧美成人免费全部观看国产|亚洲日本精品一区二区高清|一区二区三区黄址兔费视频|欧美人与Z0ZOXXXX视频|国产欧美高清视频一区二区三区 国产亚洲国产第九页|色悠悠久久久综合88|东京热无码中文字幕电影|欧美日韩国产成人综合在线|国产成人精品久久综合电影|日韩高清无码一区二区三区|91麻豆精品国产91久久久|久久久久人妻精品一区二区三区 国产区精品一区二区|亚洲专区在线观看无码|青青青久热国产精品视频|国产精品亚洲一区二区动漫|欧美成人精品日本亚洲专区|精品人妻侵犯一区二区三区|亚欧日韩毛片在线看免费网站|久久精品国产亚洲av麻豆色欲 国产日韩亚洲欧美|女人爽到高潮潮久久久|中文字幕久热精品视频|国产兔费无码一区二区视频|久久久久久久国产精品电影|国产综合91亚洲精品影院|H免费无码国产小视频在线观看|日韩免费精品视频一区二区三区
            洛川县| 濮阳县| 威宁| 柯坪县| 花莲县| 扎兰屯市| 阿尔山市| 腾冲县| 昌平区| 德州市| 河北区| 碌曲县| 衡山县| 固安县| 新竹县| 彰武县| 宁城县| 蒙城县| 城市| 榆社县| 广安市| 建平县| 武安市| 增城市| 海阳市| 盐亭县| 桃江县| 巴里| 和硕县| 盖州市| 抚松县| 宁津县| 磐安县| 栾川县| 边坝县| 年辖:市辖区| 阿克苏市| 丹凤县| 丰都县| 咸宁市| 南安市|

          1. <source id="lvmb3"><tr id="lvmb3"></tr></source>