Stainless Steel 20 Gallon (100 Liter) Working Capacity Sigma Mixer, 30 Gallon Total Capacity, Manufactured By Shanghai Light Industry Machinery Co. Ltd. Model Qbh100, Serial 941502, Built 4/94. Features Jacketed Body With Sta Bolt Style Jacket, Double End Gear Design, Tangential Blade Movement, Power Tilt, Factory Control Panel, Guarded Gear Train Apx. 3 Horsepower Main Drive, Packing Gland Shaft Seals, 22.5 X 19 X 16.5" Deep Mixing Chamber With Pouring Lip. Former Application Polymers.