Coway has promoted a healthy and comfortable life for consumers as its meaning suggest; always together. Coway products inclu ... de air purifiers, water filtration devices, digital bidets, megasonic cleaning device, and other well-being home appliances. Coway’s industry-leading market share in Korea ranges from over 50 percent for water filtration devices to 40 percent for air purifiers. Currently, more than one out of four Koreans use Coway water filtration devices, and one out of ten uses Coway’s air purifiers. 2010, Coway achieved USD 1.45 billion in sales. read more