无码全黄毛片免费看-亚洲高清揄拍自拍-精品视频一区二区三区中文字幕-97人妻免费公开在线视频-天天做天天爱夜夜爽女人爽

WHO WE ARE

We are professional diamond and CBN manufacturer,
Making Efforts To Press Ahead is our Philosophy,
Achieving sustainable transmission is our goal.


Company display

Factory display

Workshop environment

Office environment

Company environment

Development History

Development History
  • Year 2003
    the first set of resin bond CBN double-side surface grinding wheel was developed.
  • Year 2004
    the wear-resistant high speed hydrostatic bearing grinding wheel was successfully put into the market.
  • Year 2004
    Bold Vitrified CBN grinding wheel specialized for miniature bearing industry was successfully developed.
  • Year 2006
    ISO9001 certification were passed as the first in this industry.
  • Year 2006
    Zhengzhou Forture Tool Co., Ltd. Was established.
  • Year 2007
    Bold metal bonded diamond grinding wheel was successfully developed.
  • Year 2007
    High abrasion resistant glass grinding wheel was successfully put into the market.
  • Year 2008
    Shanghai branch of Bold was established.
  • Year 2008
    diamond grinding wheels with high sharpness grinding PCD tools were successfully put into the market.
  • Year 2008
    diamond grinding wheels with high sharpness grinding PCD tools were successfully put into the market.
  • Year 2009
    Bold was awarded the title of Henan hi tech enterprise.
  • Year 2009
    we successfully developed a series of grinding wheels for monocrystalline silicon rod grinding in photovoltaic industry.
  • Year 2010
    "Bold" trademark was awarded the title of "national famous brand".
  • Year 2011
    we set up the research and Development Department of sophisticated abrasives.
  • Year 2012
    Bold won the honorary title of "Henan province credit construction demonstration unit".
  • Year 2014
    special silicon wafer grinding wheels for photovoltaic industry were developed and produced, which filled the gaps in this industry in China.
  • Year 2014
    special grinding wheel for PV(photovaltaic) glass was developed.
  • Year 2014
    high grade electroplated diamond (CBN) abrasives were developed and put into operation.
  • Year 2015
    Bold Shanghai Pudong cutting tool branch was established.
  • Year 2015
    The third factory of bold was established.
  • Year 2016
    Xinxiang BYD abrasives Co., Ltd. Was established.
  • Year 2017
    Xinxiang Boruite Super Material Co.,Ltd. Was established.
  • Year 2017
    Shanghai YuCheng Diamond abrasives Co.,Ltd. Was established.
  • Year 2017
    Xinxiang BSD abrasives Co., Ltd.was established.
  • Year 2018
    Xinxiang Boruite Super Material Co., Ltd.was established.
  • Until 2018
    Bold Group has owned 57 national patent technologies.

Bold Group

Forturetools

BYD Abrasives

Malaysia
ADD: No.10 Dongqing Street,
High&New tech Development Zone.
Zhengzhou, Henan, China.
Postal code: 450001 E-mail：liu@bold68.com
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： 日韩免费无砖专区2020狼| 久久伊人少妇熟女大香线蕉| 人妻无码中文字幕| 国产色精品vr一区二区| 99国产欧美精品久久久蜜芽| 国产成人精品亚洲线观看| 一本大道无码人妻精品专区 | 欧美日韩在线亚洲综合国产人| 狠日狠干日日射| 日韩人妻无码精品系列专区| 免费观看av| 米奇777四色精品人人爽| 亚洲色大成网站www永久一区 | 久久亚洲精品无码爱剪辑| 女同久久精品国产99国产精品 | 国产精品久久国产三级国不卡顿| 99久久国产精品免费高潮| 草色噜噜噜av在线观看香蕉| 一本久久伊人热热精品中文| 国产在线98福利播放视频| 国产98色在线 | 国产| 国产成网站18禁止久久影院| 国产黄a三级三级三级| 国产亚洲色婷婷久久99精品| 激情小说图片| 久久r999热精品国产首页| 欧美真人性野外做爰| 日本免费不卡一区在线电影 | 欧美大屁股流白浆xxxx| 国产手机在线精品| 国产精品99久久久精品无码| 狠狠色丁香婷婷久久综合蜜芽| 摸丰满大乳奶水www免费| 熟妇激情内射com| 国产av一区二区精品凹凸| 国产精品原创av片国产日韩| 嗯～进去～好大～好满视频 | 久久久久人妻精品一区三寸| 国产极品精品自在线| 国产成人a无码短视频| 国产精选污视频在线观看 |