Guangzhou Olansi Healthcare is a professional home, room, portable, desktop air purifier, hydrogen water bottle, machine, water maker manufacturer from China. Specialized in Air Purifiers,Water Purifiers and Hydrogen Water Makers For the past years, Olansi has developed an expertise in the production of air purifiers,water purifiers,from unrivaled user-friendliness and innovative design, through flawless engineering to the most stylish and appealing packaging. This marked an important chapter in Olansi history.