Leading four production lines of low-temperature firing high-density 99 porcelain, 95 porcelain, 90-92 series alumina ceramic granulation powder and 80-90 porcelain series.Product features: smooth powder particles, reasonable particle size distribution, good fluidity, no die sticking and no cracking of green body.The porcelain has fine grain, easy polishing and grinding, and no pores and miscellaneous spots.