Sensen Group Co., Ltd. is a Chinese manufacturer and supplier of aquarium filters and related equipment, established in November 1985. With more than 30 years of experience, the company serves the aquarium, aquaculture machinery, and industrial equipment sectors.

Its SUNSUN-branded product range includes large and small fish tanks, internal filters, water and air pumps, aquarium lighting, controllers, and other aquarium equipment. The company also offers pet products, garden equipment, plant walls, and smart aquarium devices, including intelligent sockets, cameras, water-quality monitors, and automatic feeders. Through its Smart Xiaoli Sunsun products, customers can remotely monitor equipment using a mobile phone.

Sensen describes itself as a one-stop solution supplier, offering product customization based on customer drawings or samples. It highlights in-house research and development, production, and testing, with a range of product designs and materials. The company reports annual production capacity exceeding 2,000 tons and says its products are exported to Europe, the Americas, Japan, and other markets, supported by an after-sales system