The Sensen brand of submersible pumps is the most durable. This brand has many years of experience and a professional team to develop submersible pumps, and has a good reputation as a well-known brand in fish tanks and fish food. In 1985, it mainly produced medium-pressure air pumps, fishing equipment, environmental protection equipment, industrial pumps, and pet supplies. , a famous trademark in Zhejiang Province, has become one of the largest professional manufacturers of aquariums and fish tanks in China, a group company focusing on aquarium leisure, medium-pressure air pumps, fishery breeding and industrial supporting industries. Sensen Group was founded on November 16, 1985, formerly known as Dinghai Qinfeng Machinery Factory. In October 1994, it was renamed Zhoushan Sensen Pump Co., Ltd. In April 2000, it developed into Zhejiang Sensen Industrial Co., Ltd. In November 2010 Sensen Aquarium Co., Ltd. was registered on the 3rd. Sensen Aquarium Co., Ltd. has acquired 4 companies headquartered in Zhoushan, including: Zhejiang Sensen Industrial Co., Ltd. (mainly producing medium-pressure air pumps, fishing equipment, environmental protection equipment, industrial pumps, and pet supplies); Zhoushan Yinsen Mechanical and Electrical Manufacturing Co., Ltd. The company (mainly produces seafood display cabinets, thermostats, and heating rods); Zhoushan Wilma Mechanical and Electrical Manufacturing Co., Ltd. (mainly produces Roots blowers and air pumps); Zhoushan Pulide Pump Industry Co., Ltd. (mainly produces various types of water pumps).