We are truck air filter production line supplier and manufacturer in China! We also have automotive air filter making machine factory. Here to show you is truck air filter production line. The heavy duty air filter production line consists of a lot of automotive air filter making machine. These heavy duty air filter making machines are our own research and development, there are Spiral tube making machine, Rotary type air filter paper pleating machine, Automatic air filter paper filling machine, End cover glue injection machine, Full-auto 60 stations U-type curing oven line and so on.