nanjing shouguan environmental protection ventilation equipment co., ltd. is a professional ventilation duct engineering company specializing in ventilation design, processing, installation and after-sales service in nanjing! nanjing shouguan has undertaken projects such as ventilation and cooling, industrial dust removal, kitchen smoke purification, industrial waste gas treatment, and other projects in factories, workshops, shopping malls, kitchen smoke, hot pot restaurants, barbecue restaurants, basement places, electronics, new energy, pharmaceuticals, food and beverage factories, and has accumulated rich practical experience.