On December 27, 2018, uzhuo organized the second annual overseas study for its employees. This visit was to the headquarters of the anion oxygen bar in Switzerland, where LK air quality company was founded in October 1993，

Headquartered in lucerne, Switzerland.The owner and President of the company is Mr. Werner fleischer, a senior hvac engineer from Germany.He has extensive experience in air conditioning before applying ionair technology to improve indoor air quality with rigorous control systems.

LK air quality Switzerland provides safe and effective solutions to many indoor air problems, especially in high-end hotels, restaurants, office buildings, conference rooms, department stores, airport buildings, concert halls, theaters and hospitals.

Ionair is a registered trademark of LK air quality GMBH in Switzerland. Ionair systems are patented worldwide.The reactive particles produced by the system can neutralize with volatile organic compounds in the air to remove indoor odors.In addition, reactive particles are completely coated with bacteria, molds, viruses and other microorganisms in the air, making them unable to survive and die automatically.The whole process mimics the original state of nature, without adding ultraviolet or any chemical substances.Ionair has been tested for safety and efficacy by numerous internationally recognized institutes and air health experts around the world.