Zhongshan Huishuangbao electrical appliance Co.,LTD.Brand :Hsbao is a professional manufacturer for aquarium and pond product including Wave Maker ,AC/DC ECO Pumps ,Submersible Pump ,Aquarium Light ,Dosing Pump and so on and product are widely used for aquarium ,fountains ,air cooler ,Hydroponics ect .We offer at least one year warranty for our product ,expect cooperation with you .