国产98色在线 | 日韩,国产免费观看黄av片,亚洲中文无码av永久app

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.

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

Quick navigation:

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

Quick navigation:

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