... PSK,PSY,TSK,GSK ISO9001:2008 graphite blockVibration-molded or extruded, carbonized and graphitized under precise technical control. ... casting molds, centrifugal casting molds, pressure casting molds, fused refractory molds, etc.2. Furnace parts: resistance heating elements, ... linings, heat shields and covers for pulling monocrystalline silicon or optical fibers, etc.3. Anodes for the electrolysis ...