国产无卡一级毛片aaa-国产无吗一区二区三区在线欢-国产无人区码一码二码三mba-国产无套粉嫩白浆在线-国产无套粉嫩白浆在线观看-国产无套护士在线观看

Products

Static Pressure Sedimentation Groove & Screw Grinding Wheels

Application:Static pressure sedimentation groove grinding wheels are produced with innovative manufacturing method different from traditional bearing grinding wheels. Our groove grinding wheels are as good as the same kind of international well-knowned wheels, with the features of high grinding efficiency, and high processing precision. Widely used for processing various of bearing grooves. Static pressure sedimentation screw grinding wheels are used in grinding screw drills, blades and screw rods, etc.. High grinding efficiency, and high precision. Especially, the wheels special to 9SiCr and Cr12MoV workpieces, are optimized by us.


Bold Group

Forturetools

BYD Abrasives

Malaysia
ADD: No.10 Dongqing Street,
High&New tech Development Zone.
Zhengzhou, Henan, China.
Postal code: 450001 E-mail:[email protected]
Phone: 0371-67662016 86162612
?Copyright 2004 Zhengzhou Bold Abrasives Co., Ltd. All Rights Reserved.
Leave Message
Name
Telephone
E-mail/QQ
Message
主站蜘蛛池模板: 亚洲国产欧洲综合997久久 | 成人欧美视频在线观看 | 欧美日韩国产超高清免费看片 | 老司机久久精品视频 | 俄罗斯一级在线播放 | 欧美激情免费看 | 婷婷免费高清视频在线观看 | 中文字幕视频不卡 | 成人夜夜 | 亚洲精品一区二区三区在线播放 | 免费看一区二区三区 | 曰本人一级毛片免费完整视频 | 777奇米影视色888成人 | www午夜视频 | 国产一级做a爱片久久毛片a | 天天爽夜夜爽视频 | 成人亚洲在线 | 国产精品久久久亚洲第一牛牛 | 在线不卡免费视频 | 精品91自产拍在线观看99re | 97午夜影院 | 日本免费一区二区三区在线看 | 中文在线播放 | 99久久精品国产片 | 日本xoxoxo在线播放 | 97精品国产91久久久久久 | 久久国产精品国语对白 | a毛片a毛片a视频 | 久久福利资源网站免费看 | 久久99一区| 香蕉依依精品视频在线播放 | 亚洲国产天堂久久综合 | 激情国产视频 | 国产日本三级 | 韩日一区二区三区 | 日本综合欧美一区二区三区 | 亚洲成人免费在线观看 | 毛片真人毛毛片毛片 | 成人爱爱爱欧美日本视频 | 亚洲一区三区 | 国产在线成人一区二区 |