About Zhonglian Window & Door System
Global Manufacturer of Engineered Window & Door Solutions
Established in 2008 and headquartered in Foshan, China, Zhonglian specializes in precision manufacturing of aluminum fenestration systems. Our 86,000㎡ ISO 9001:2015 certified production facility leverages advanced SACMI extrusion technology to deliver profiles with ±0.05mm dimensional accuracy. With an annual capacity of 1.2 million units, we provide reliable window and door solutions for residential and commercial projects across 37 countries, adhering strictly to ASTM, EN, and GB/T performance standards.
Powerful Factory Capacity
Zhonglian’s vertically integrated manufacturing plant ensures consistent quality for architectural projects. Certified under ISO 9001:2015, our production lines incorporate precision tooling and ASTM-validated testing protocols to guarantee air/water tightness and structural integrity in every profile.
15,000
5s Plant Area
6
Advanced Production Line
20 k
Stable Monthly Yield
200 +
Our Mission
To engineer precision fenestration systems that redefine architectural boundaries through rigorous performance standards and client-driven innovation.
Application
Villa project
Seamless indoor-outdoor integration via floor-to-ceiling glazing. Slim frames maximize views while ensuring thermal efficiency.
Hotel project
Acoustic and hurricane-rated windows ensure guest tranquility and safety. Antimicrobial hardware supports sustainable operations.
Restaurant project
Industrial steel windows with solar-control glazing create layered aesthetics. Operable transoms enable functional ventilation.
Why Choose Zhonglian as Your Partner
Vertically integrated fenestration manufacturing ensures consistent quality from aluminum extrusion to finished systems. Our ISO 9001-certified processes mitigate project risks, while global logistics deliver ASTM/EN-compliant windows and doors to 37 countries.
Factory Direct
As a direct manufacturer since 2010, we offer ex-factory prices with no middleman costs. Latest door/window designs available for customization.
3D Design & Samples
Provide customized 3D solutions and physical samples tailored to your project requirements.
Quality Control
Strict QC in every production process ensures flawless products. Certified materials and performance tests meet international standards.
After-sales Service
Decade of expertise delivers reliable support. We promptly resolve any technical or installation issues.
Values & Ethics That Lead Us
Growing as a trusted door/window partner, Zhonglian team is driven by core values ensuring sustainable development.
Reliable Quality
Implementing the responsible production processes, we commit to the trustworthy wall panel quality.
Customer-oriented Service
Our people from sales to workers will bare clients’ needs in mind so as to provide better support.
Continuous Self-Improvement
We stay strong and humble throughout the years with the mindset of constantly upgrading ourselves.
Sustainable Development
We develop harmoniously with the environment for the well-being and mutual wins of us all.
Specialized Team Members
Consist of professional and passionate wall panel experts, Zhonglian is proud to deliver reliable customer services that will never fail you.
