What are the system door and window factories in Nanjing?

Nanjing System Doors and Windows Factory has Zuoer doors and windows, Moser doors and windows, and Senying doors and windows. Inquiring about the distribution of Nanjing System Door and Window Factory shows that Nanjing System Door and Window Factory includes Zuoer Doors and Windows, Moser Doors and Windows, and Senying Doors and Windows. Zuoer Doors and Windows is a modern enterprise integrating R&D, design, production, sales and service. Moser Doors and Windows is an enterprise specializing in the research and development, production and sales of aluminum-wood composite doors and windows, aluminum-clad wood doors and windows, aluminum alloy doors and windows and other products. Senying Doors and Windows is an enterprise specializing in the R&D, production and sales of aluminum-wood composite doors and windows, aluminum-clad wood doors and windows, aluminum alloy doors and windows and other products.