Products/Services: Fine quartz sand、Ordinary quartz sand (powder),Yuansheng silicon micro-quartz powder、High-purity quartz sand,Sand filter、Sand Casting

Products/Services: Selenium powder; selenium dioxide; tellurium; tellurium ingot; bismuth oxide; ultra-fine zinc powder; zinc; high purity zinc oxide; cobalt oxide; copper; NiO; yttria; nickel powder; bismuth oxide; metal gallium;