northwest gold & silver is a precious metal refining service. a gold, platinum, silver buyers, smelters, refiners. gold buyers for all precious metal scrap gold, platinum and silver recycling, dental gold and gold scrap jewelry, platinum crucibles, platinum thermocouple wire, silver, sterling silver, assayers, nwgold, sell gold, sell platinum, sell silver. a gold refinery, platinum refiners and silver smelters to recover old scrap gold at gold market prices. a gold refinery, platinum refiners and silver smelters to recover old scrap gold at gold market prices.