1, Zhengzhimen: It is one of the famous doors and windows brands in Yantai, with many years of production and sales experience, complete product range and high quality.
2. Andali Door Industry: Specializing in the production and sales of all kinds of doors and windows, with a number of technical patents, it has won the trust of consumers with quality assurance and thoughtful service.
3. Fulusheng Door Industry: It is a door and window enterprise integrating design, manufacture and installation, constantly innovating and pursuing excellence in door and window materials, exterior design, energy conservation and environmental protection.
4. Omega Window Door Industry: This brand mainly deals with high-grade aluminum alloy doors and windows and sun room systems. The products adopt imported aluminum and original European and American technologies, which have the advantages of strong durability and good sound insulation effect.