As a direct aluminum windows and doors factory in China, HanStim controls the full production process. From premium aluminum profiles to glass selection, assembly, and quality testing, every step is handled in-house. This ensures we deliver high-quality aluminum windows and doors that meet international performance and safety standards.
Large-scale manufacturing capability
Automated production lines with strict quality checks
International certifications for product quality and safety
Direct-from-factory wholesale prices
By choosing HanStim, you are not just buying products — you are partnering with a trusted aluminum windows and doors manufacturer in China.
Our product portfolio is designed to meet diverse architectural and residential needs. As a specialized aluminum windows supplier in China, HanStim offers:
Sliding aluminum windows and doors – Smooth operation and space-saving designs
Casement aluminum windows – Secure, energy-efficient, and versatile
Bi-folding doors – Modern aesthetics with maximum space opening
Fixed and tilt-turn windows – Functional and stylish
Custom aluminum windows and doors – Tailored to project-specific requirements
Whether for residential homes, office towers, or commercial complexes, HanStim provides custom aluminum windows and doors factory solutions for any scale of project.
HanStim products are manufactured in compliance with international certifications to ensure safety, durability, and energy efficiency.
ISO 9001 certified quality management system
CE certification for European standards
SGS and other independent testing approvals
These certifications make HanStim a trusted aluminum doors supplier for global clients who demand reliable performance.
We understand that time is crucial in construction and wholesale distribution. HanStim has built a robust supply chain and logistics system to ensure on-time delivery for all international orders.
Flexible production scheduling
Dedicated logistics partners for sea and air freight
Reliable global delivery commitments
This makes HanStim a wholesale aluminum windows and doors supplier that clients can depend on.
Every project is unique. That’s why HanStim provides custom aluminum windows and doors solutions, tailored to your specifications.
Custom sizes, finishes, and designs
OEM and ODM services available
Multiple glass options: double-glazed, tempered, low-E glass
Wide choice of finishes: powder-coated, anodized, wood-grain
By working with us, you gain access to a flexible aluminum windows supplier China that adapts to your market or project needs.
HanStim’s success is reflected in the global projects we have supported:
Residential housing projects in Europe: High-performance aluminum casement windows with CE certification.
Commercial buildings in the Middle East: Custom aluminum sliding doors designed to withstand extreme climates.
Luxury villas in North America: Modern bi-folding aluminum doors with wood-grain finish.
These case studies prove why HanStim is a leading aluminum windows and doors manufacturer in China chosen by distributors, contractors, and architects across continents.
Here’s why global clients prefer HanStim:
Factory-direct prices – Cost savings with no middlemen.
Certified quality – International standards you can trust.
Custom OEM/ODM services – Tailored to your exact needs.
On-time delivery – Strong logistics and reliable production schedules.
Global experience – Trusted by clients across 30+ countries.
When you partner with HanStim, you are working with a reliable aluminum windows and doors supplier in China who values long-term cooperation.
If you are looking for a trusted China aluminum windows and doors manufacturer and supplier, HanStim is your ideal partner. From certified quality and customized solutions to competitive wholesale prices and on-time delivery, we are committed to supporting your success.
Contact us today and explore how HanStim – China Aluminum Windows & Doors Manufacturer & Supplier can deliver the perfect solutions for your project or wholesale business.
TEL: 86-075781097158
Phone: 86-15314993114
Whatsapp: 86-15314993114
Email: wanda@hanstim.com
Email: lei@hanstim.com