Which certifications do DERCHI entry doors hold for export projects?

Our door systems are produced under an ISO 9001 quality system and have been tested for CE marking, AS2047 N6 (Australian wind, water and air performance), plus UL-referenced fire-rated constructions for pivot and commercial lobby doors. Test reports and certificates are released with the quotation package so your local building inspector can verify compliance before installation.

What is the maximum size for a single pivot entry door leaf?

Standard production covers leaves up to 1,600 mm wide and 3,200 mm high. For oversized villa gates and hotel lobby entrances we engineer leaves up to 2,000 mm x 4,000 mm using reinforced steel-core frames, heavy-duty floor pivots rated to 500 kg and multi-point hardware to control long-term deflection.

What is the typical lead time and MOQ for a custom entry door order?

Sampling takes 12-18 days. Bulk production is normally 25-35 days after drawing approval and deposit, depending on finish (powder coating, wood-grain transfer or PVDF). There is no fixed container MOQ for project orders; single-unit sample doors are accepted for showroom and testing purposes.

How are doors packed and protected for ocean freight?

Each leaf is wrapped in protective film, corner-guarded with EPE foam, sealed in a five-layer carton and fixed inside a fumigation-free plywood crate. Hardware and glazing beads are boxed separately and labelled per opening number, which keeps site sorting fast and reduces transit damage claims to below 0.3% of shipped units.

Do you provide CAD or BIM files and installation support?

Yes. Our in-house engineering team issues free CAD shop drawings, section details and BIM-ready blocks that match your door schedule, followed by installation manuals, torque and anchoring specifications and video-call guidance for the first openings on site.

China DERCHI Noise Reduction Turkish Standard MDF Steel Door Suppliers, Factories

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China DERCHI Noise Reduction Turkish Standard MDF Steel Door Suppliers, Factories

Enjoy tranquil, secure living — this DERCHI brand Noise Reduction Turkish Standard MDF Steel Security Front Door is engineered with "professional noise reduction + Turkish security standards" as its core design philosophy, delivering the ideal entry solution for users who prioritize residential serenity. The steel door body incorporates MDF solid board with multi-layer foam + honeycomb paper infilling, achieving exceptional noise isolation through acoustic engineering principles. 1.5-hour fire rating certification ensures fire safety, while the simple modern exterior design integrates seamlessly into diverse residential and commercial spaces. Certified with both ISO9001 and CE, MOQ 2 sets, providing total project solutions from design to delivery for global residential, hotel, and office building projects.

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Product Description

Material & Craftsmanship

Steel Door Body Frame: High-strength cold-rolled steel plate forming the door shell — solid and pry-resistant, providing a reliable security skeleton for the overall structure.

MDF Solid Board Core: Medium Density Fiberboard (MDF) as the door's core layer — uniform density and compact structure, recognized as a premium sound insulation material that effectively blocks sound wave transmission paths.

Foam + Honeycomb Paper Infilling: High-density foam layer absorbs mid-to-high frequency noise, honeycomb paper structure attenuates low-frequency vibration — multi-layer composite infilling achieving full-spectrum noise reduction.

1.5-Hour Fire-Rated Design: The multi-layer structure of steel + MDF + foam + honeycomb paper inherently delivers excellent thermal insulation and flame retardancy, passing 1.5-hour fire rating certification.

Simple Modern Surface Finishing: Delivered as finished product — door face adopts clean, flat modern design language with uniform, refined coating and no excessive decorative lines.

Push and Pull Opening System: Flexible, convenient push-pull operation not occupying front-of-door space — particularly suited to apartments and hotels with narrower corridors.

DERCHI Luxury Modern Simple Design Security Door

Product Specifications

Brand	DERCHI
Model Number	YHA-77
Material	Steel + MDF Board
Infilled Material	Foam + Honeycomb Paper
Special Door Type	Security Door
Design Style	Luxury Modern / Simple Design
Size	2050/2150/2250mm × 960/1050/1160mm (Customized)
Opening Direction	Customized
Opening Method	Push and Pull
Position	Exterior
Fire Rating	1.5hr
Feature	Anti-Theft, Noise Reduction
Surface Finishing	Finished
Accessories	Lock + Handles + Hinge
Certificate	ISO9001, CE
Warranty	2 Years
MOQ	2 Sets
Place of Origin	Guangdong, China
Project Solution Capability	Total Solution for Projects

Product Advantages

Professional Noise Reduction

MDF solid board + foam + honeycomb paper triple sound insulation structure — effective full-spectrum noise blocking
MDF board with uniform, compact density delivers low sound wave penetration rate — insulation far exceeding hollow doors
Multi-layer composite material avoids single-material resonance frequency defects
Provides acoustic assurance for bedrooms, studies, hotel rooms, and quiet spaces

1.5-Hour Fire Rating

Passes professional fire rating tests — effectively blocking fire spread for 1.5 hours
Steel + MDF + foam structure naturally delivers superior thermal insulation
Meets strict fire safety codes for hotels, office buildings, and apartments
Provides precious evacuation and rescue time during emergencies

Turkish Standard Anti-Theft

High-strength steel door body frame — pry-resistant and impact-resistant
Professional security lock system preventing technical bypass
Designed to Turkish security standards with proven safety performance
Steel + MDF dual-layer structure enhancing overall door rigidity

Simple Solid-Build Design

MDF solid board delivers substantial feel and quality compared to hollow doors
Clean modern design language with sleek panels complementing any decor
Finished surface treatment ready for immediate factory deployment
Push-and-pull opening design saving space with a modern feel

Factory-Direct Supply

Direct source production with sufficient capacity and reliable delivery
Low MOQ (2 sets) — ideal for sample and trial orders
ISO9001 + CE dual certification — internationally recognized quality system
Total project solutions — one-stop service from design to delivery

Application Scenarios

Residential Apartments

Noise reduction preserving family tranquility — anti-theft and fire protection dual security assurance.

Hotels / Guesthouses

Professional sound insulation ensuring guest sleep quality — 1.5-hour fire rating meeting fire safety codes.

Office Buildings

Isolating corridor noise — creating quiet, efficient work environments for modern offices.

Bedrooms / Studies

MDF solid sound insulation structure — crafting private, serene personal spaces.

Villa Entry

Simple modern appearance matching luxury villa styles with high-end living quality.

Schools & Hospitals

Superior sound insulation fulfilling quiet requirements for educational and medical environments.

Narrow Corridors

Push-pull design saving passage space — multiple dimensions adapting to various width requirements.

Overseas Projects

CE certification for global compliance — total solutions serving developers worldwide.

Why Choose Us

DERCHI brand with factory-direct source supply

MDF solid board + foam + honeycomb paper triple sound insulation

Dual Endorsement: ISO9001 System + CE European Certification

1.5-Hour Fire Rating certified to international standards

Low MOQ (2 Sets) for flexible sample testing & bulk orders

Customizable sizes & opening options for global needs

Total project solutions exported across Europe, Middle East & Asia

Installation & After-Sales Support

Installation Workflow:

Confirm dimensions & specs → Factory production (15-25 days) → Standard export packaging & shipping → On-site installation → Push-pull system & lock calibration → Sound insulation performance inspection → Final Handover

Warranty Coverage

2-Year Warranty covering the overall door structure and surface finish. Lock accessories include a 1-year warranty.

Technical Service

Comprehensive online technical support provided. On-site technical guidance available for bulk engineering projects.

Maintenance Advice

Wipe surface with a soft cloth. Keep push-pull tracks free of debris. Lubricate locks annually and avoid soaking the MDF board in water.

Frequently Asked Questions (FAQ)

1. What is the fire rating of the DERCHI YHA-77 security door?

The door is built with a 1.5-hour fire-rated structural design, featuring a multi-layer composite of steel, MDF board, foam, and honeycomb paper to pass rigorous professional fire testing.

2. How does the sound insulation technology work?

Noise reduction is achieved through a multi-layer core combining high-density MDF solid board, high-density acoustic foam (absorbing mid-to-high frequencies), and a honeycomb paper structure (attenuating low-frequency vibrations).

3. What sizes are available for this security door?

Standard sizes include heights of 2050mm, 2150mm, and 2250mm, and widths of 960mm, 1050mm, and 1160mm. Full customization is available to match your specific project requirements.

4. What is the Minimum Order Quantity (MOQ) and warranty period?

The MOQ is just 2 sets, allowing easy trial or sample orders. The product comes with a 2-year warranty on the door structure and surface finish, and a 1-year warranty on lock accessories.

5. Is this door suitable for narrow spaces or corridors?

Yes, it features a flexible Push and Pull opening method that operates without occupying front-of-door clearance, making it ideal for narrow corridors in apartments and hotels.

6. What certifications does DERCHI hold for international orders?

DERCHI security doors carry dual certification: ISO9001 Quality Management System and CE European Certification, meeting international building standards.

China DERCHI Noise Reduction Turkish Standard MDF Steel Door Suppliers, Factories

Product Description

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