SIUPA Doors and Windows always sticks to quality. Its products use hardware from four top brands: VBH, BOGO, OPK and Weihui. This ensures the user experience, safety and durability of doors and windows from the source. Below are the features of these brand accessories to help you understand their value for different needs.
Article Overview
Selected Hardware Accessories of SIUPA Doors and Windows
VBH (Germany) – High-end Quality Choice, Suitable for High Sealing and Load-bearing Needs
Core Position: A century-old German brand and a leading hardware integrator. It focuses on high-end customization and excellent performance, with technological heritage and innovation as its core strengths.
BOGO–Safe and Durable Choice, Suitable for Cost-effectiveness and Frequent Use
Core Position: Specializing in high-end door and window hardware R&D for 23 years. It emphasizes safety, durability and cost-effectiveness, ensuring product stability through standardized production and strict testing.
OPK–Sliding System Expert, Suitable for Quiet Operation and Space Optimization
Core Position: Focusing on sliding systems for 30 years, with many patents. It specializes in quiet, smooth sliding doors/windows and space adaptation, solving traditional sliding problems with innovative designs.
Weihui–Bulk Adaptation Choice, Balancing Aesthetics, Durability and Supply Efficiency.
Core Position: Adapts to large-scale projects with high-quality materials and standardized designs. It fits various door/window types, and is ideal for construction scenarios requiring easy installation and fast delivery.
How to Choose SIUPA Door and Window Accessories
Choose SIUPA’s brand hardware if you value quality and long-term use. Whether for high-end residences, prefabricated houses, or families with the elderly and children, these accessories excel in load-bearing, safety, quietness and durability. They greatly improve living comfort and don’t need frequent replacement, offering better overall cost-effectiveness.
Ordinary accessories are not useless. Their main advantages: First, low price – only 1/3 to 1/2 of brand accessories. They suit budget-tight simple renovations or temporary buildings. Second, fit simple doors/windows – meeting basic opening/closing needs for low-use, simple structures (like storage room doors).
Core Advantages of Window Hinge Tests
BOGO
Key Advantages: Stable positioning force (90.2-95.1N, far exceeding the 40N requirement) for smooth adjustment; Precise operating force (36.8-38.5N, complying with the ≤40N standard); Strong gap consistency (0.09mm after force, much lower than the ≤0.5mm limit), ensuring good sealing.
Weihui Hardware
Key Advantages: Outstanding peak positioning force (92.5-98.1N, the highest among the three) for stable fixing; Light opening/closing force (32.5N, below the ≤40N standard) for easy use; Clear key parameters (35kg load-bearing, 355mm slide length) for easy matching, with all mechanical properties up to standard.
Shanghai VBH
Key Advantage: Tested by the national authoritative inspection center for building hardware, with professional and recognized testing qualifications.
Comparison Between BOGO and Huixi Handles
BOGO
Great Durability: Works normally after 50,000 opening/closing tests, with only slight looseness (gap well below standard), suitable for frequent use; Strict Testing Standards: Follows national standards and adds stricter internal requirements, covering appearance, assembly, corrosion, aging and mechanics; Reliable Surface and Assembly: No flaws on exposed surfaces, firm connections, qualified coating and proper assembly size for stable use.
Weihui Hardware
Light Operation: Positioning torque is only 1.82N·m, non-positioning torque 0.60N·m (far below national limits), easy for the elderly and children to use; Excellent Coating Quality: Minimum coating thickness 68μm (exceeding the 40μm standard) and grade 0 adhesion (best level) for wear and scratch resistance; Good Corrosion Resistance: Passes 16-hour CASS test (grade ≥8), not easy to rust in humid or salty environments.
SIUPA Doors and Windows offers a wide range of high-quality hardware accessories to meet different needs – from high-end customization to cost-effective options, from sliding systems to bulk project solutions. All brand accessories are reliable, safe and durable. If you have any questions about product selection or want to know more details, feel free to consult us. We welcome you to choose SIUPA door and window hardware accessories for a better living experience!