亚洲欧美国产精品无码中文字|欧美日韩国产中文字幕韩国理论|精品人妻无码专区在中文字幕|日本免费一区二区三区中文字幕
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
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.
Quick navigation:
About Us
Products
News
Contact 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:liu@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
submit
国产精自产拍久久久久久蜜
|
一区二区av日韩免费
|
在线观看国产精品av
|
日韩人妻熟女中文字幕
|
成人精品一区二区三区电影
|
亚洲成av人的天堂在线观看
|
成人免费视频在线观看
|
日本高清无卡码一区二区久久
|
亚洲av极品视觉盛宴
|
欧美老熟妇乱子伦视频
|
国产成+人欧美+综合在线观看
|
无码精品视频一区二区三区
|
99国产精品久久久久久久久久久
|
丰满人妻跪趴高撅肥臀
|
国产精品久久久久野外
|
极品粉嫩小泬无遮挡20p
|
国产末成年女av片
|
国产精品无打码在线播放
|
久久精品国产久精国产
|
人妻少妇av中文字幕乱码
|
国内自拍视频一区二区三区
|
国产suv精品一区二区6
|
俄罗斯少妇性xxxx另类
|
欧美激情精品久久
|
亚洲av不卡无码国产
|
激情内射亚洲一区二区三区
|
国产欧美精品一区二区色综合
|
中文字幕av无码免费一区
|
色欲色av免费观看
|
久久国产精品成人片免费
|
色吊丝中文字幕
|
亚洲va久久久噜噜噜久久天堂
|
女人18毛片水最多
|
丝袜足控一区二区三区
|
波多野结衣办公室双飞
|
中文字幕av无码一区二区三区
|
少妇激情av一区二区三区
|
一个添下面两个吃奶把腿扒开
|
亚洲午夜精品一区二区
|
十八禁无码免费网站
|
国产精品人妻在线观看
|