Cangzhou Rongzeng Metal Materials Sales Co., Ltd.

About Us
Company
Advantage
Credentials
Factory

Who We Are
Cangzhou Rongzeng Metal Materials Sales Co., Ltd.
We are a modern enterprise in China specializing in the research, development, production, and sales of high-end system doors and windows. Since our establishment in 1997, we have adhered to the business philosophy of “Integrity, Responsibility, Innovation, and Win-Win,” comprehensively optimized our production processes, continuously developed innovative door and window products, created an advanced quality experience for our customers, and provided our employees with a platform to fully showcase their talents. Womusen has evolved into an integrated enterprise encompassing R&D, production, sales, and service, and is steadily moving toward higher-end markets. The company remains committed to the philosophy of “Artisan Quality · Professional Production” and, in today’s business environment, upholds the vision that “Integrity Forges Quality; Innovation Drives the Future.” By pooling superior resources and continuously introducing advanced production equipment from both domestic and international sources, Womusen has laid a solid foundation for expanding its market share and meeting high-quality, high-demand requirements.
0
YEAR OF EXPERIENCES
80
PROFESSIONAL TEAM
0
CUSTOMER REVIEWS
0
PRODUCTS SOLD
Our Advantage
WHY CHOOSE US
Grand in Scale
With a production facility spanning tens of thousands of square meters, the company integrates R&D, production, sales, and service, and has the capacity for large-scale production and rapid delivery.
A Long History
Since its founding in 1997, the company has a history spanning nearly thirty years and has built up a wealth of experience and a strong reputation in the door and window industry.
Superior Quality
Made from GB 6063-T5 ultra-high-precision aluminum alloy (wall thickness: 1.8 mm), PA66 thermal break strips, and co-extruded gaskets compliant with European standards, it delivers outstanding performance in all three areas.
R&D and Innovation
The “Broken Bridge” aluminum window system made its debut at the 2024 Beijing Construction Expo and was selected for the “2024 Top Home Furnishing New Products” list based on its R&D capabilities.
Comprehensive Services
Integrating R&D, production, sales, and service, we provide customers with a full-chain service experience—from product selection to after-sales support.
Advanced Philosophy
Guided by the principles of “integrity, responsibility, innovation, and mutual benefit,” we uphold a commitment to craftsmanship and strive to lead the industry’s development.
Our Factory
OUR FACTORY
We sincerely invite you to visit us or discuss business opportunities. We are committed to doing our utmost to promote the development and growth of the system doors and windows industry and to assist our clients in carrying out various projects. We look forward to working with you in good faith to create business opportunities and move forward together.












-
WeChat: 177-3698-8031

