Utility Model Patent Certificate



P1 P2 P3
P1) An Air Filter with Built-in Sterilization and Disinfection Functions Patent No.: ZL2017 2 0331549.8
P2) A Purification Air Shower Patent No.: ZL2017 20337243.3
P3) A Multifunctional Ultra-Clean Workbench Patent No.: ZL201720331566.1

