Kenhan Refractroy always ensure the reliability and stablity of the high-quality raw materials, all raw materials must undergo  strict and various inspection and testing before they can be used.

Kenhan has a complete product quality control system, it works from the selection of raw materials to finished product quality inspection, the quality control system ensures that each production processes are in line with quality standard.

Kenhan feeder parts made by Zirco-mullite, fused-mullite and sintered-mullite, those feeder parts not only have excellent corrosion resistance and thermal shock resistance, but also have accurate measurement.