Henan three strong ethylene oxide sterilizer in the gas does not damage the sterilized items and penetration is very strong, is currently one of the most important low-temperature sterilization method. It is suitable for ethylene oxide sterilization of packaging materials with paper, composite dialysis paper, cloth, non-woven fabrics, ventilated rigid containers, polyethylene, etc.; does not apply to food, liquids, oils and fats, talcum powder and animal beverages, etc., can not be used for ethylene oxide sterilization of packaging are metal boxes, polyvinyl chloride, cellophane, nylon, polyvinyl acetate, polyvinyl chloride, polyvinyl chloride, polypropylene that can not be permeable, for example, electronic instruments, Optical instruments, medical equipment, books, documents, fur, cotton, chemical fibers, plastic products, wood products, ceramics and metal products inside the situation, the decision to analyze the device and a one-time role in the sterilization of diagnostic and therapeutic supplies.