language:English
1.Adopt arcuate bevel-gear instead of worm gear,with high efficient and energy-saving(over 20% than traditional models) 2.Arcuate bevel-gear is made of chromium-manageanse-tianium with carbontitriding on surface.Long life and high rigidity 3.Mechanical seal makes no oil-leak no pollution 4.Motor built in protector which avoid accidentally burning 5.Integrated HDPE float,nylon impeller,stainless steel shaft and frame
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