Foshan Jinjunsheng Doors & Windows Co., Ltd established in 2026,our affiliated factory ，Foshan  Meiduoyu   Doors  and  Windows  Co.,  Ltd.,  established  in  2010,  has  been  dedicated  to  standard development for aluminum alloy doors and windows  under the challenging climatic conditions of coastal  regions, serving as a key drafter and contributor to industry standards. Through comprehensive technical research and field testing covering wind resistance, water tightness, seismic performance, thermal insulation, soundproofing, and energy efficiency, the company successfully developed the “Coastal Defense-Type Doors and Windows” and secured multiple patents. These products provide high-quality, professional, and reliable defense-oriented system windows for residents in coastal areas, ensuring a secure living environment. Currently, the company serves over 10,000 clients annually.