Cocoa is a Korean company that manufactures and sells air purifiers for installing vehicle ventilation. Our vehicle air purifier is named Luna. Our staffs have more than 8-10 years’ experience in product design development. We study microscopic dust that is more serious in a car than the road for children, elderly people and driver. This study aims to improve the air quality of the vehicle and improve the atmosphere inside the vehicle. We will work hard for better idea, design and production.