EOSS system doors & windows (Shandong) Co., Ltd. belongs to Shandong huajian aluminium group co., ltd. We are a well-known production of all-aluminum doors, windows and curtain wall system research enterprises, specializing in doors, windows and curtain wall systems and hardware accessories R & D and design, production and processing, sales and installation and other businesses.
Why choose us
Powerful technology support
EOSS adheres to the standardized and refined zero-defect quality concept, using Huajian ultra-high precision profiles, advanced production equipment, and processes. It is equipped with special software to make the door and window design information-based, simple, and accurate.
Professional Team
With a nationally certified laboratory and enterprise technology center and a professional and high-level R&D team, it has developed the EOSS door and window system with independent intellectual property rights and obtained 62 national patents.
One stop service
EOSS integrates product research and development, lean processing, and retail operations, and widely serves domestic and foreign dealers and buyers, providing one-stop services such as technical support and after-sales installation guidance.
Sales Market
We are relying on advanced technology, excellent quality, and perfect service, extensive services to domestic and foreign dealers and buyers, and are exported to Asia, Africa, the United States, Europe, Oceania, and other countries and regions.

- Fresh Air Windows
- Indoor Accordion Doors
- Drift Windows
- Panorama Doors and Windows
- Panoramic Door System
Technical Parameters
|
Brand |
EOSS, HUAJIAN |
|
Model Number |
6060-T66 Aluminium |
|
Place of Origin |
Shandong |
|
Delivery Time |
15 days |
|
Port |
Qingdao, Shanghai |
|
Warranty |
According to the actual situation |
|
Samples |
For free |
|
MOQ |
2000 sqm |
|
Payment Terms |
30% deposit before production, and balance before shipment |
|
After-sale Service |
Online technical support, Onsite Installation, Onsite Training, Onsite Inspection, Free spare parts |
|
Project Solution Capability |
Graphic design, 3D model design, total solution for projects, Cross Categories Consolidation |
|
Customization |
Color, size, accessories, thickness can be customized |
|
Profile color |
Grey/ Black/ Wood gain/ Customized |
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Glass Color |
Clear/ reflecting glass/ Grey/ Customized color |
|
Packaging Details |
1. With carton+poly foam packing |
Available Styles and Colors
Whether you have standard windows or a fully custom home, we can replace them. Each of our windows is expertly measured and custom-made for your home—even for odd sizes. With over 1,500 styles and colors to choose from, you'll get the windows you want.

Our Services
Service
Reply within 3 hours, provide solutions within 12 hours, and provide solutions within 24 hours if the project is complex.
Quality
Our products save your energy efficiency through high-performance glass and excellent U value.
Production
We have specialized R&D and production construction equipment to ensure the quality of our products.
Package
We provide the packing method of wooden box and wooden frame to avoid damage during transportation.
Delivery
We work with reputable forwarders to guarantee on-time delivery service to anywhere.
Install
Provides one-on-one video installation instructions until your project is successfully installed.
Order Process for Doors and Windows
Free, No-Obligation Quote
If you've requested a quote online or over the phone, we will ask you to send pictures of the windows and doors you would like replaced, which we will use to provide you with a free, no-obligation quote.
Deposit Required
Once you're happy with the quote and place your order with us, we will request a deposit of 30%. The remaining balance will be payable upon completion of the project.
Surveyor Visit
We will then schedule a time for our certified, in-house Fenestration surveyor to visit you at your convenience. They can usually visit your home within 2-3 days of your initial enquiry. The surveyor will assess your property, take measurements, and determine whether your plans adhere to the latest building regulations and local planning permissions.
Installation Day
Upon receipt of your deposit, our installation department will contact you to arrange a date for your window or door installation. Our typical turnaround time is 3-4 weeks. Once the project is complete, we will request the remaining payment. We accept all major debit and credit cards.
Certificate

As one of the most professional special door and window manufacturers in China, we're featured by quality products and good price. Please rest assured to wholesale customized special door and window from our factory.
Panorama Doors and Windows, Metal Accordion Security Doors, Drifting window











