... you have?300 What types of casting do you offer i.e. green sand, etc? Investment casting ,Resin coated ... equipment in-house? Brinell's machine ,Metalloscope , SpectrometerPhoto-electric direct reading ,Sulfuric acid combined fast analyzer, Universal strength ... if so, what types?Well type tempering electric furnace Bogie hearth electric resistance furnace Do you offer machining in-house and if ...