The company is mainly produced a serial of brown fused
alumna, special refractory and the automatic space warehouse,
as well as operated production and sales of NdFeB material,
Import and Export trade self-support and the business
for fired-power, heating and order and sale of coal etc.
The shape of polishing wheel is arched bowl, with
high frequency welded block on the edge. It is applied
in polishing stone flank , raw-polishing and half
precious-polishing stone surface.