Crestor Door Manufacturing Co., Ltd. designs and manufactures premium thermal break aluminum bifold doors engineered to seamlessly connect indoor and outdoor spaces. Constructed with precision 6063-T6 aluminum extrusions, German Technoform PA66 polyamide insulating strips, heavy-duty stainless steel roller tracks, and Low-E double or triple insulated safety glass, our exterior folding glass door systems deliver outstanding energy efficiency, air tightness, structural stability, and hurricane-region wind load resistance for residential villas, hotels, and luxury commercial developments.
Explore our tested folding door library. Custom sash configurations, sill threshold profiles, hardware options, and dual-color surface treatments are available for OEM/ODM orders.
Every aluminum bifold door manufactured by Crestor Door Manufacturing Co., Ltd. undergoes CNC precision machining, laser corner welding, and comprehensive testing to meet strict international standards.
| System Feature | Standard Specification | Custom Upgrade Options | Performance Benefit |
|---|---|---|---|
| Aluminum Profile | 6063-T6 High-Precision Extrusion (2.0mm - 3.0mm wall thickness) | Anodized, PVDF, Fluorocarbon, or Wood Grain Texture | Provides high structural strength and prevents frame warping for large sashes up to 3.2m high. |
| Thermal Insulation | PA66 GF25 Polyamide Thermal Break Strips (24mm - 34mm) | Insulated Aerogel cavity insertion | Eliminates thermal bridging, keeping interior spaces comfortable while lowering energy costs. |
| Glazing Assembly | 5mm + 12Ar + 5mm Low-E Double Tempered Safety Glass | Triple Glazing, Soundproof Laminated Glass, Tinted Glass | Blocks up to 85% of solar radiation heat while providing acoustic attenuation up to Rw 42dB. |
| Hardware & Rollers | Heavy-Duty Stainless Steel Bottom Rollers & Top Guides (150kg/sash capacity) | Crestor Custom Hardware or Siegenia / HOPPE Hardware | Delivers quiet, effortless sliding operation tested over 100,000 opening and closing cycles. |
| Threshold & Track | High-Performance Stepped Water-Tight Weather Sill with Drainage Channels | Flush Low-Profile Barrier-Free Recessed Sill (ADA Compliant) | Prevents rainwater penetration during tropical storms while allowing seamless step-through access. |
| Weather Seals | EPDM Triple Gaskets with Continuous Molded Corner Sleeves | Silicone Foam Weatherstripping | Ensures superior air tightness (Grade 8) and water tightness (up to 600 Pa test pressure). |
160,000 m² of direct manufacturing capacity since 1997. We support distributors, fabricators, and general contractors with complete engineering backup.
From profile extrusion machining and powder coating to insulating glass unit processing and assembly, everything is controlled under one roof in our Dongying factory base.
ISO 9001:2015 quality management system certification. Products tested and configurable to meet AS 2047, CE, and NFRC market standards.
Every bifold unit is equipped with corner protective sleeves, protective wrapping film, and packed into reinforced fumigated plywood crates to ensure zero-damage sea transport.
Technical details overseas importers and procurement managers review before placing wholesale folding door orders. For custom shop drawing requests, email our technical team at [email protected].
Send your project opening dimensions, architectural drawings, or schedule of quantities to [email protected]. Our engineering specialists will provide profile proposals, U-value estimations, and competitive factory-direct pricing within 24 hours.
