High Equal Tempeture Suspended Rail-type Push Rod Tunnel Kiln (PCS textile fiber preoxidized tunnel kiln), uses 15 microcomputer minute 15 area high accuracy procedure to control warm, the different vacuum seal air blower, various areas different stainless steel air flue, passes through aerosol orbital and the stainless steel lattice material plate carries on the complete heated air circulation. The air after the purification, passes through the work piece from bottom to top, causes in the furance the work piece temperature to be extremely even. Mainly uses in the PCS textile fiber air heat treatment.