Advanced in anticorrosive, wearable, high temperature proof, non-aging, high ... ISO2858 and combined with non-metal pump’s technology. It advanced in anticorrosive, wearable, high temperature proof, non-aging, high ... is one of the most advanced anticorrosive equipment. Its structure is advanced, reasonble, strong anticorrosive, excellent sealing, stable operation, low noise, longe lifeMaterial ...