Ruixinda firms Natural Gas Heat Treatment was designed and constructed by China united engineering corporation. The temperature control system of annealing furnace is controlled by natural gas computer automatically, and the temperature is set according to the standard of product material specification. The 18 furnace nozzles in the furnace body start the PLC programming module control and the RFID technology capture data whole process intelligent control. Scientific data capture and data control heat treatment process, so that the product to avoid over burn and under burn caused by steel surface quality problems.