Liaoning Haitai Sci-Tech Development Co., Ltd. in early 2008 completed and delivered the outer catalyst reduction apparatus due to the reduction effect, the industry and many research institutions and manufacturers are the catalyst to its reduction catalyst. Haitai company in early 2009 to start the construction of the second outer catalyst reduction apparatus has been running for 5 months with good results. Restore device built after a loading dose of 5 cubic meters, after the completion of the reduction catalyst can be directly outer passivation. Restore the catalyst uniform color, good activity. Haitai companies now can be filled with a catalyst reduction apparatus 8 m3. Reduction means annual processing capacity of 600 cubic meters or more.