Molybdenum Boats Vacuum evaporation sources At Unique Metal Material Co., Ltd, ... for thin film coating system, like tungsten wire baskets, tungsten boats, tungsten filaments, tungsten crucibles; molybdenum boats, molybdenum crucibles; tantalum boats, tantalum crucibles, etc. All of our products ... , 310,510,215 ,315 ,220 ,320 ,520 2)non-standard tungsten boats, customized according to user's drawing.