Frequently Asked Questions

OZOSL specializes in the research, development, and manufacturing of hydrolytic O₃–based green microbial‑control equipment, along with core modules and end‑product designs. Its current market‑ready offerings include oral‑care cups (gastric‑protective cups), reverse‑osmosis disinfection water purifiers, kitchen three‑in‑one purification systems, deodorizing and air‑purifying devices, reverse‑osmosis disinfection water‑filling machines, pipeline disinfectors, shower disinfectors, and a range of related products.

OZOSL is committed to the goal of “green microbial control” and guided by the principle of “precision prevention,” creating core value for users by “reducing the incidence of disease and enhancing quality of life.”

Precision prevention involves eliminating and breaking down invisible bacteria, viruses, and chemical residues before they enter the body, thereby reducing the need for daily protective measures against related illnesses.

Conventional prevention addresses only visible dust and dirt, relying on basic cleaning as a foundation and capable of handling only surface-level contamination. Precision prevention builds upon routine cleaning by integrating green antimicrobial technologies to thoroughly eliminate invisible bacteria, viruses, and chemical pesticide residues, thereby cutting off potential hazards at their source. Today, public awareness of health and food safety has risen dramatically, and basic, conventional prevention can no longer meet evolving health needs. In line with the national policy outlined in the “Healthy China Action Plan for Cancer Prevention,” the principle that prevention is better than cure has become widely accepted, making the adoption of precision prevention an inevitable trend for safeguarding public health.

Green microbial control relies on a high‑energy hydrolytic O₃ generation device, with equipment operating parameters precisely calibrated to match concentration and contact time for each specific application scenario. It delivers comprehensive disinfection across water, food ingredients, and surfaces of utensils, employing both liquid and gaseous phases. The process is safe, non‑toxic, environmentally friendly, and highly efficient—targeting only anaerobic harmful bacteria while preserving aerobic beneficial microbes—thereby preventing pathogen entry through the mouth at the source and providing precise, everyday health protection.

The green antibacterial device requires no specialized operator; it is easy to use, works quickly, and leaves no toxicity or residue throughout the entire process. By precisely controlling concentration and exposure time, it prioritizes the elimination of pathogenic anaerobic bacteria while sparing the beneficial aerobic microbes essential to human health, making it safe and well-suited for everyday household use—seamlessly integrating into ordinary family life. Conventional disinfection relies on chemical agents and must be prepared and administered by trained professionals. It indiscriminately kills both harmful and beneficial microorganisms, with difficult-to‑control dosages, prolonged treatment times, and inherent toxic side effects, rendering it unsuitable for regular, long-term home use and inadequate for routine household protection.

The hydrolytic O₃ sterilization mechanism relies on its exceptionally powerful oxidizing action to directly disrupt bacterial cell walls and membranes, while penetrating deep into the pathogen to decompose its internal RNA and DNA nucleic acid structures. This results in thorough lysis and complete eradication, leaving no room for resistance or regrowth. Hydrolytic O₃ outperforms all conventional disinfection methods in terms of efficacy: - Its disinfection rate is 15 times faster than boiling water, 25 times faster than medical alcohol, 600 times faster than chlorine-based disinfectants, and 3,000 times faster than ultraviolet light. - It operates throughout the entire process without color, odor, residue, or toxic side effects. - It boasts a unique dual-core advantage: not only does it achieve rapid sterilization, but it also powerfully oxidizes and breaks down organic pollutants, microcystin toxins, and pesticide residues in water—capabilities that no other high‑temperature, UV, alcohol‑based, or chlorine‑based disinfection method can match or replace.

To address the recurrent gastric infections caused by Helicobacter pylori colonization in the oral cavity and gingiva among 700 million people in China, we aim to prevent the risk of gastric cancer at its source.

Helicobacter pylori is an anaerobic pathogen that thrives in the oral cavity, between teeth, and along the gum line. It enters the stomach through the mouth, adheres to the gastric mucosa, and causes infection. In its early stages, it can lead to superficial gastritis; if left untreated over many years, it may progress to atrophic gastritis and duodenitis, and it is a major risk factor for gastric cancer. National data show that 700 million people in China are infected with Helicobacter pylori, and 60% of gastric lesions are associated with this bacterium. In response, twelve national ministries and commissions jointly issued the “Healthy China 2023–2030 Cancer Prevention and Control Action Plan,” which explicitly emphasizes strict control of infection‑related carcinogens, improved personal hygiene, and targeted prevention of pathogens such as Helicobacter pylori. The persistently high domestic infection rate stems primarily from the oral cavity—gums and interdental spaces. Conventional treatment involves a 15–20‑day course of antibiotics, which can eradicate gastric bacteria with a 95% cure rate but fails to eliminate oral pathogens. To simultaneously address both oral and gastric infections, patients would need to take antibiotics continuously for 40–50 days, a regimen fraught with significant drug‑related side effects. Clinically, treatment often focuses solely on gastric recovery, leaving residual oral bacteria to repeatedly reflux into the stomach, resulting in extremely high recurrence rates. When recurrence occurs and antibiotics are used again, the gastric cure rate drops to around 35%. The Ousai Gastric Protection Cup leverages everyday brushing and rinsing to directly target and eliminate anaerobic pathogens at their source in the oral cavity and gums, while preserving beneficial aerobic bacteria. By blocking Helicobacter pylori from entering the stomach, it helps prevent cross‑infection and recurrent relapse at the root cause.

To address the recurrent exacerbation of periodontal inflammation caused by the disruption of the oral microbiota resulting from the use of chemically disinfectant mouthwashes or excessive toothpaste application.

Porphyromonas gingivalis is an important anaerobic pathogen in the oral cavity that can develop antibiotic resistance, displace beneficial periodontal bacteria, and occupy their ecological niche. If left unchecked, it ultimately leads to tooth loss due to gingival attachment loss.

Streptococcus mutans is the most abundant anaerobic pathogen in the oral microbiota. It metabolizes carbohydrates and sugars to produce acids, which induce demineralization of tooth enamel and ultimately lead to dental caries, resulting in tooth destruction.

To enjoy plenty of fresh, bottled water at home simply by turning on the tap (in accordance with the GB 19298 National Food Safety Standard for Packaged Drinking Water), drink less pre‑packaged bottled water.

Conventional household reverse osmosis water purifiers lack a disinfection system. When drinking directly from the tap, pathogenic bacteria and microcystin toxins present in the water and within the container can directly harm the human intestinal tract and liver, posing serious health risks. In China, more than 3,000 companies manufacture reverse osmosis and ultrafiltration water purifiers. The most significant shortcoming of these products is the absence of a disinfection function—a fundamental design flaw. In 2015, E Xue-li, Director of the Ministry of Health’s Drinking Water Safety Committee, stated clearly on CCTV Finance’s program “Health Path”: “Water purifiers are now widely used in homes, but there are many types. Without a disinfection device, the water should not be consumed directly; with one, it can be drunk safely.” In 2019, Academician Qu Juhui of the Chinese Academy of Engineering bluntly declared at a water purification technology summit: “A household water purifier without a disinfection system is worse than having none at all.” Many vendors on the market deliberately mislead consumers by falsely advertising ordinary reverse osmosis purifiers lacking disinfection as safe for direct consumption, claiming that membrane filtration alone can eliminate bacteria and viruses and meet sterile standards—actions that seriously jeopardize consumer health. The two product models can be easily distinguished by their official national water‑related hygiene approval names: “reverse osmosis water purifier” and “reverse osmosis water purifier with disinfection.” The certification labels make this distinction clear. Conventional reverse osmosis systems rely solely on membrane filtration; while removing heavy metals and disinfection byproducts, they also strip away residual chlorine from tap water, creating an environment in which microorganisms readily proliferate and potentially producing microcystin toxins that can withstand temperatures up to 315°C. Basic knowledge about drinking water: Bacteria and viruses can only be eliminated through disinfection—not by filtration alone. For a water purifier to be deemed safe for direct consumption, it must combine reverse osmosis filtration with ozone‑based water disinfection; neither component can be omitted.

Professor Yu Shunzhang of the School of Public Health at Fudan University in Shanghai, leading his research team, conducted an in-depth study over 30 years and ultimately confirmed that the primary pathogenic culprit behind microbial water contamination is a potent carcinogen produced by algae—microcystins (MC). Microcystins exhibit extremely strong hepatotoxicity and tumor-promoting effects; when combined with hepatitis viruses, they significantly increase the risk of hepatocellular carcinoma. To date, more than 70 distinct subtypes of this toxin have been identified, widely present in various natural water sources, storage tanks, secondary water‑supply reservoirs in buildings, household water purifiers, the inner chambers of water dispensers, and even on the inner walls of water pipes. Chemically highly stable, microcystins possess exceptional resistance to degradation: conventional prolonged boiling fails to break them down, and they withstand both strong acids and strong bases. They are among the most toxic and widely distributed waterborne contaminants, posing a significant threat to human health. Once ingested through drinking water, up to 70% of microcystins target the liver, causing irreversible structural damage and progressively impairing hepatic metabolic and detoxification functions. Extensive research has demonstrated that standard water‑treatment methods—such as routine boiling, ultraviolet irradiation, or adsorption using maifan stone—are ineffective at removing these toxins. Only activated carbon, ion‑exchange resins, and bleaching powder offer limited inhibitory effects, while ozone (O₃) remains the only disinfection method capable of efficiently eliminating microcystins. Accordingly, food and drug regulatory agencies and public health authorities worldwide have explicitly set a maximum permissible level of microcystins in drinking water at 0.001 mg/L. In everyday life, virtually all water‑related activities—including drinking, brewing tea, preparing coffee and powdered milk, making soups, and cooking rice—can expose individuals to potential microcystin contamination. To comprehensively safeguard drinking‑water safety, it is recommended that households and public facilities install professional disinfection‑and‑purification systems equipped with hydrolytic ozone (O₃) technology, thereby blocking the risk of microcystin ingestion at its source.

To address the drinking‑water safety risks associated with pathogenic microorganisms—such as Escherichia coli, Pseudomonas aeruginosa, and microcystin‑producing Microcystis—in commercially available (public) water purifiers or bottled‑water dispensers that lack disinfection systems.

A. Core Advantages of the Ousai Disinfection and Purification Bottling Machine: The Ousai disinfection and purification bottling machine uses municipal tap water as its source. It first employs a reverse osmosis membrane to deeply filter the water, then utilizes hydrolyzed ozone (O₃) to efficiently eliminate various bacteria in the water. Additionally, the equipment is equipped with an on-board hydrolyzed O₃ generator and a water–air circulation system, enabling automatic internal sterilization and disinfection. This effectively removes harmful substances such as Pseudomonas aeruginosa, thermotolerant bacteria, and microcystin toxins that may proliferate on equipment pipelines, pump bodies, valves, and the inner walls of water tanks. The machine strictly adheres to a standardized operational process of filling, disinfecting, and oxygenating simultaneously. While bottling, it thoroughly eliminates bacteria and viruses adhering to the inner surfaces of containers and further breaks down trace organic contaminants remaining in the filtered water (left over from reverse osmosis filtration), providing all‑round assurance of water quality safety. Its output meets dual standards: it complies with the GB 19298 National Food Safety Standard for Packaged Drinking Water and also satisfies Germany’s and the European Union’s relevant standards for ozone (O₃) treatment of drinking water under EU Regulation No. 1278/2010. This perfectly aligns with the National Development and Reform Commission’s pilot policy to replace plastic bottled water with direct‑drinking purified water systems, offering a scientifically sound and practically implementable solution for scenario‑specific water‑purification substitution. B. Key Drawbacks of Conventional Commercial/Bottled Public Water Dispensers Currently, commonly available commercial and bottled water dispensers typically lack built-in secondary circulation disinfection systems. Over prolonged use, hard-to-reach areas within the equipment—such as internal valves, water delivery pipes, and storage tanks—are highly susceptible to bacterial growth and the accumulation of microcystin toxins. As a result, water hygiene indicators cannot be reliably maintained, posing significant risks to water safety. These traditional dispensers can only provide basic water supply and do not possess professional filling or disinfection capabilities. They fall far short of the hygienic standards required for packaged drinking water, making them unable to meet the demands for safe, compliant, direct‑drinking bottled water.

To address microbial and chemical contamination in home kitchens, a green antimicrobial control technology—featuring “clean water, clean food, and clean surfaces”—is employed to prevent diseases from entering the body through the mouth.

A. OZOSL Sanjing Machine The OZOSL Sanjing Machine is a professional kitchen hygiene appliance equipped with a high-concentration hydrolyzed ozone (O₃) water–air dual‑mode disinfection system. It must be connected to the downstream of an existing household water purifier or disinfecting water purifier and integrates four core functions—water purification, food sanitation, object disinfection, and air purification—to provide all‑round protection for the entire kitchen environment. a. Water Purification: In addition to efficiently eliminating bacteria (including heat‑resistant strains) and viruses in water while breaking down trace organic contaminants, it further increases dissolved oxygen levels, enhancing drinking water’s taste and making it healthier and sweeter. b. Food Sanitation: Quickly cleans and disinfects fruits, vegetables, grains, mushrooms, wood ear fungi, and other ingredients, effectively degrading pesticide and preservative residues. No secondary rinsing is required after treatment, ensuring greater peace of mind when eating. c. Object Disinfection: Utilizing dynamic hydrolyzed O₃ fresh water, it provides comprehensive disinfection for various kitchen utensils: scrubbing cloths eliminate over 200 types of bacteria; rinsing cutting boards and knives (suitable for cooked dishes and fruit preparation); soaking and disinfecting tableware and containers, especially baby bottles—completely addressing the drawbacks of traditional high‑temperature disinfection, such as long processing times, high energy consumption, and incomplete sterilization. d. Air Purification: Addressing the health concern that lung cancer incidence among cooks is higher than among smokers, activating the gas‑producing function during cooking can effectively decompose toxic residues from liquefied natural gas, cooking fumes, and various kitchen odors that range hoods fail to remove, thereby purifying indoor air. B. Ousai Disinfecting Water Purifier The Ousai Disinfecting Water Purifier uses municipal tap water as its source. After deep filtration through a reverse osmosis membrane, it directly generates low‑concentration hydrolyzed ozone (O₃) from the water, achieving continuous, dynamic sterilization throughout the process. The purified water fully meets direct‑drinking and bottling hygiene standards, while also increasing dissolved oxygen levels and improving taste, making it suitable for daily drinking, preparing sterile ice cubes, and crafting cold dishes (such as noodles). It is dedicated to providing safe, high‑quality direct drinking water, satisfying basic daily water‑purification and drinking needs. Key Differences: • OZOSL Disinfecting Water Purifier: Focuses on drinking water purification, filtering tap water directly for immediate consumption, meeting standard sterilization requirements, and fulfilling fundamental drinking‑water safety needs. • OZOSL Sanjing Machine: Offers all‑encompassing kitchen sanitation, seamlessly integrating with existing water‑purification equipment to achieve simultaneous purification of drinking water, food, kitchen utensils, and air, thus resolving hygiene challenges across all kitchen scenarios.