Coreline is a manufacturer of high quality valves. Beside this, we develop products produced by other manufactures, according to our requirement and inspected by Coreline. Our innovative R&D department has developed unique products and patents, which have proven superior performance after test and operating experience by customers. We are a dedicated team, working passionately to produce quality products and push boundaries of performance. We are proud about the results we achieved in the market. Keep on performing, Coreline satisfy, retain and welcome new customers all over the world.