SIMS,a specialized engineering company in the United States, manufactures machined, structural-engineered pumps, impellers, rings, sleeves, bearings, bushings, valves, mechanical seals, and more. Products NEVER corrode in salt water, wastewater, sewage, or chlorinated water applications, and are excellent for many chemical applications.SIMSITE products are light weight, energy efficient, and stand up much better to corrosive environments, erosion, and cavitation than metallics, or other non-structural composites.