Many domestic and foreign filter brands are selected as filter materials.
specialized in producing various kinds of filter media, integrated with research, production and sales.
3 self-built factories of more than 26,000 square meters as well as 17 advanced multi-functional production lines including Needling, Dipping, Spraying Lamination, Ultrasonic Lamination and Melt-blown, Retop turns out filter media up to 32,000,000 square meters annually. Retop is one of the biggest automotive air filter media manufacturer in China.