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Hjumbo Machinery Co., Ltd. produces a variety of pump rubber impellers (inboard and outboard machines) and has 12 types of bushing keyway, uses rubber imported from German and Japan and production line for production and equips perfect quality inspection departments. Hjumbo Machinery Co., Ltd. has specialized in the production of rubber impeller for more than 20 years and has a variety of rubber impellers applicable for the world's major brands of pumps, supported products to be sold worldwide and won the customers’ consistent praise with its superior quality and affordable price.