BioFilter is an international well-known enterprise specializing in decentralized domestic sewage treatment without power or maintenance.With thousands sets of non-electric & non-maintenance purification tank installation, operation engineering experience, the product is constenously optimized.Tanks manufactured to German standards are adapted to various extreme installation and operating environments, such as cold temperature, high altitude. The product is widely used in rural areas, resorts, villas, parks, schools and other places. BioFilter has a complete industry chain including research and development, technology, rolling molding, production and manufacturing, and a sales network covering the whole world.The combined advantages of "Non-electric" , "Non-maintenance" and "Simple operation"is the key features of the BioFilter purification tank.It is widely used in countries such as Germany, France, Italy in Europe, Singapore, Malaysia, Bangladesh, Thailand, Vietnam, Cambodia, Laos in Southeast Asia, and more than 20 provinces and cities in China, solving the pain points of "electricity needed" and "complex operation and maintenance" in the field of decentralized domestic sewage treatment.