Shenzhen Green-welcome Ltd., founded in September 2001, headquartered in Shenzhen and neighbored with Hong Kong, is a high-tech environment friendly enterprise integrating R&D, manufacturing, sales and service. Green-welcome has been committed to improving interior environment and focused on pollution control industry, and become the leader of China's interior environmental pollution improvement industry. With strong superior product quality, perfect service network, and excellent management philosophy, Green-welcome has provided consumers with quality services, and won widely praise and leading position within industry.