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Frequently Asked Questions
A: HEIZEY offers premium custom doors/windows with advanced craftsmanship, while DERMAN PRINCE provides high-quality, budget-friendly solutions. Both guarantee rigorous quality standards.
A: Yes! Our Parts section offers premium accessories – hardware, fittings, and smart locks – empowering flexible customization and DIY projects.
A: Our integrated Security Nets feature reinforced mesh that deters intruders and insects while maintaining optimal airflow, ensuring safety without compromising comfort.
A: Absolutely. Through Shinia International Trading, we handle global bulk procurement and offer professional OEM/ODM services tailored to your specifications.
A: Every product undergoes strict checks in our smart factory, using precision CNC machinery and international standards to ensure durability, performance, and compliance.
A: Delivery timelines vary by region and order size. We optimize logistics through trusted partners and provide shipment tracking upon order confirmation.
A: Yes. We provide detailed professional installation guidance, including manuals and online support, to ensure correct setup and optimal product performance.