China Crucible furnace catalog of Gold Melting Crucible Vacuum Furnace/Small Smelting Furnace Mini Furnace,Electric Melting Furnace for Aluminum, Copper, Gold, Lead, Silver, Sterling Silver, Tin, Laboratory Used Vertical Vacuum Crucible Furnace / High Temperature Melting Furnace, 1200c Lab Crucible Melting/Sintering/Tempering Furnace provided by China manufacturer - Henan Hiq Furnace