
About OPPGATE
Integrated Manufacturing, Verified Quality & Company Overview
A comprehensive overview of our 20,000 m² production facility in Dalian, China, international certification credentials, a stage quality control, and export track.
20+ Years Factory Audit
Full traceability since 2005
100% Pre-Shipment QC
Every unit inspected before loading
Certified Global Compliance
CE, SGCC, AS 1288, NFRC certified
Zero Damage Export Cases
Specialized packing for sea freight
Virtual Factory Tour
Virtual Factory Inspection: Real Production & QC Video Tour
Step inside our 20,000 m² facility in Dalian, China. See CNC machining, assembly lines, and QC testing in real-time — no staged marketing footage.
OUR PROCESS
Six Steps From Specification to Shipment
Every custom order follows our standardized, documented production protocol.
Material Identification
Raw aluminum ingots, steel inserts and glass batches are tested and traced before cutting.
Precision CNC Cutting & Fabrication
Multi-axis CNC equipment mills, miters and processes profiles to 0.1mm tolerance.
Assembly & Glass Glazing
Corner hydraulic crimping with German two-component glue and automated insulated glazing.
Finished-Product Inspection
100% of finished windows undergo air tightness, water tightness and hardware cycle testing.
Seaworthy Export Packing
Corner foam protectors, multi-layer PE shrink film and solid fumigated wooden crates.
Direct Port Logistics
Direct containerized trucking and customs clearance via Dalian, Qingdao and Tianjin ports.
Production Capability
Key In-House Manufacturing & Testing Machinery
Our 20,000 m² facility houses over 80 production and inspection machines.
| Equipment / Facility | Technical Specification | Process Application | Quality Assurance Impact |
|---|---|---|---|
| CNC 4-Axis Router | ±0.1mm accuracy, 6m bed | Frame and sash profiling | Dimensional precision |
| Double Glazing Line | Automated sealing, gas fill | IGU production | Thermal performance |
| Corner Crimping Machine | Hydraulic pressure control | Frame assembly | Structural integrity |
| Salt Spray Test Chamber | 500-hour neutral salt spray | Hardware corrosion testing | Coastal project compliance |
| Air Permeability Rig | EN 1026 / AS 2047 standard | Window performance testing | Certification evidence |
| Low-E Glass Coating Line | Magnetron sputtering technology | Energy-efficient glass production | Thermal break compliance |
YEARS OF GLASS PROCESSING AND EXPORT EXPERIENCE
PRODUCTION FACILITY IN DALIAN, CHINA
COUNTRIES SERVED ACROSS 6 CONTINENTS
MAJOR MARKETS: NORTH AMERICA, EUROPE, OCEANIA
COMPLIANCE & TESTING
Product Compliance Certificates & Inspection Reports
Below are the CE, NFRC, Miami-Dade NOA, and glass safety certificates that apply to our exported windows, doors, and curtain walls. Full reports are available upon request with the project quotation package.
CE
M.2024.206.C110024
uPVC doors and windows
2024-11-20 – 2027-08-13
NFRC
FWW-M-1
72 Series uPVC Casement Window
Energy-performance certified rating.
NOA
26-0311.01
Aluminum Fixed Window (L.M.I.)
Miami-Dade Notice of Acceptance hurricane impact compliance.
NFRC
GDD-M-10
80 Folding Side-Hinged Door
2025-06-17 – 2029-08-20
SGCC / IGCC
Architectural Glass Safety
Tempered, laminated and insulated glass units
Certificate serial issued on request
AS 1288
Glass in Buildings
Safety glazing selection and installation
Test report available on request
QUALITY ASSURANCE
4-Stage Production Inspection Protocol
Incoming Material Control
Raw material certificates verified against purchase orders
In-Process Engineering Checks
Dimensional verification at each assembly stage
Pre-Pack Product Audit
Final inspection of appearance, function, and packaging
Loading Supervision
Container loading photos and seal number documentation
Who We Are
20+ Years Glass Expertise Applied to Global Fenestration
Since 2005, OPPGATE has served as a dedicated manufacturer of aluminum and uPVC windows, doors, and architectural glass for international contractors, developers, and distributors.
Founded in Dalian, China, our company has grown from a specialized glass processing workshop into a fully integrated manufacturing enterprise. We combine deep material science expertise with advanced fabrication capabilities to deliver high-performance fenestration solutions that meet the most demanding international building codes and performance standards.
We serve contractors, developers, and distributors across more than 40 countries spanning the Middle East, Southeast Asia, the Americas, Europe, and Africa. Every product we ship carries our unwavering commitment to quality — verified through rigorous stage-by-stage inspections and backed by certifications from SGS, TÜV, Intertek, and other internationally recognized bodies.

BUYER QUESTIONS
Frequently Asked Questions Before Ordering
Direct answers based on the supplier's public store information, with product-specific details confirmed during quotation.
