... Break lining, Helmet, PVC coating & Pre-heating, Plastic Powder, Printed Circuit board, Painting Brushes, Motor & Armature, Electric coil & Transformers, Motor ... and the main oven, liquefied gas furnace outer layer of high-quality steel plate structure the furnace tank ... made of stainless steel. Insulation layer of rock wool and asbestos materials, insulation layer thickness of 100mm, with better ...