1. Vacuum Pump casing 2. OEM Brand 3. 100% replacement spare parts 4. Good performance, long wear life 5. Precision Casting Our product range:1.Material: abrasion-resistant steel, refractory steel, bronze, cast iron, cast steel, stainless steel, Hastelloy alloy, Stellite alloy, Mondale alloy, and other alloy castings.2.Manufacturing Processes: sand casting, investment casting, centrifugal casting ...