Please Choose Your Language
product-banner1
Custom Doors & Windows for Global Projects

Certified door and window systems for residential, commercial, and project-based applications

Glass Safety Patent
LOCK SAFETY PATENT
CERTIFICATION
PRODUCT CRAFTSMANSHIP
QUALITY ASSURANCE
Six-Point Locking System
WY-50 Series Casement Window
WY-50 Series Casement Window
WY-50 Series Casement Window
WY-50 Series Casement Window
WY-50 Series Casement Window
WY-50 Series Casement Window
WY-50 Series Casement Window
WY-50 Series Casement Window
WY-50 Series Casement Window
WY-50 Series Casement Window

Certified performance for project compliance

Patented security reduces post-installation liabilities

Scalable production ensures on-time project delivery

Rigorous quality control backed by 10-year warranty

Flexible customization for diverse project requirements

Proven global supply chain reliability

Inquire
beijing

Production Process

Surface Treatment Process

1.Surface Treatment Process

2.Profile Processing & Cutting

2.Profile Processing & Cutting

3.Glass Cutting & Install Aluminum Strips

3.Glass Cutting & Install Aluminum Strips

4.Installing The Opening Fan

4.Installing The Opening Fan

5.Assemble Frame And Casing

5.Assemble Frame And Casing

6.Debugging And Sealing

6.Debugging And Sealing

7.Packing

7.Packing

Aluminum Windows PDF

Our factory is located in Foshan, Guangdong, with a production base of 180,000 square meters, 600 employees, an annual production capacity of 300,000 square meters.

More than 100 pieces of equipment to achieve higher quality production and more efficient delivery.

FAQ

What is the maximum sash size for WY-50 casement windows?

What glass options are available for commercial procurement projects?

What is the standard lead time for WY-50 window orders?

Are installation services available for international projects?

Can WY-50 windows be configured for awning opening only?

Contact Us

We can custom made to any project unique window and door designs with our professional and experienced sales & technical team.
   WhatsApp / Tel: +86 15878811461
   Email: windowsdoors@dejiyp.com
    Address: Building 19, Shenke Chuangzhi Park, No. 6 Xingye East Road, Shishan Town, Nanhai District, Foshan City China
DERCHI window and door is one of top 10 windows and doors in China. We are professional high quality aluminum doors and windows manufacturer with professional team for more than 25 years.
Copyright © 2026 DERCHI All Rights Reserved. | Sitemap | Privacy Policy