runbo's history
1999
runbao factory established
2003
runbao r &d successfully chemical coating for diamond
2001
runbao r &d successfully coated application abrasives
2005
runbao r &d successfully blue fired abrasives grains
2007
runbao r &d successfully ceramic coating abrasives grains
2010
micro-powder grains product line built up
2008
the second factory of runbao established
2012
runbao r &d successfully polycrystalline diamond
2013
runbao r &d successfully semi-friable fused alumina
2016
runbao r &d successfully cramic corundum icecut
2014
runbao r &d successfully high-performance zirconia alumina
2017
runbao r &d successfully cramic corundum bluecut
2018
runbao r &d successfully zirconia coating for white fused alumina
2019
the third factory of runbao established
2019
runbao r &d successfully high purity corundum and fine fused corundum
2019
runbao 20 years aniversary celebration successfully held
2020
runbao runbao r &d successfully super white fused alumina