★Put the material into the plaster moldbowl,by welding machine suit or tiger skin suit before heating the mold, heating the raw material and add a little borax. ★When the gold and silver to complete melt, become optimum flow state ,use die sludge depressed quickly . ★After one minute of gold and silver and other liquid solidification.gently tapping the plaster mold with a hammer, plaster mold until the crack. ★Removed the jewelery blanks.Wash in the ultrasonic cleaning machine, use a hair to clean the gypsum powder. ★Jewelry finishing shape (chain type need to be welding), Finally, deal with the gold drum by agate polishing machine or hand-polished.