Juying nearly 20 years of focus on the field of ventilation operation, has won the recognition and trust of new and old customers, the establishment of a professional, dedicated marketing service team, has been in Shanghai, Tianjin, Chongqing, Guangzhou, Nanjing, Wuhan, Xi 'an, Luoyang and other major cities with offices, marketing service network all over the country. Widely used in civil and commercial building engineering fire exhaust, ventilation and ventilation system and industrial plant building ventilation, cooling, dust removal system. Products sell well in domestic provinces and cities, and supporting sales export to Hong Kong, Thailand, Myanmar, the United States, Pakistan, Nepal, the Philippines and other more than 20 countries and regions, has achieved excellent economic and social benefits, creating a perfect Juying service network system.