MOLD & CORE MATERIALS - castingarea.com
JOY FORTUNE LTD., CHINA - the only producer of unique new foundry sand TCFA - Twice Calcined Fused Alumina which can replace zircon for foundry / casting industry with same performance but much lower cost; producer of new foundry olivine sand which has high refractoriness, corrosion resistant against steel liquid, low thermal expansion and ...