Derchi Custom Stainless Steel Single Door | Modern Safety Entrance Door - DERCHI Manufacturer, Suppliers

Customization defines individuality, quality defines security — this DERCHI brand High Quality Custom Modern Stainless Steel Single Safety Entrance Door is purpose-built for modern families seeking personalized home aesthetics and reliable security. The steel door body with foam + honeycomb paper composite infilling ensures anti-theft safety while delivering excellent sound and thermal insulation. The premium grey (GREY) colour paired with modern minimalist design language is understated yet richly textured — seamlessly integrating into contemporary residences, apartments, villas, and hotels. With extensive customization capability, dimensions and configurations are adjustable to your requirements, making every door your exclusive security guardian.

Product Description

Material & Craftsmanship
Premium Steel Door Body High-quality cold-rolled steel plate with compact, solid door structure — impact-resistant and deformation-resistant, providing a robust first line of defense for home security.
Foam + Honeycomb Paper Composite Infilling Dual-layer filling balancing sound and thermal insulation — foam layer effectively blocking external noise and temperature conduction, honeycomb paper structure enhancing door compression strength and overall stability.
Premium Grey Finished Coating Carefully selected modern home's most popular grey tone with professional surface coating — refined, smooth finish with uniform, lasting colour, delivered as finished product requiring no secondary processing.
Modern Minimalist Panel Design Door face featuring clean geometric lines or flat panel design — eliminating excessive decoration, conveying sophistication through material texture and colour alone, complementing contemporary minimalist aesthetics.
Manual Opening System Classic manual operation — intuitive and simple, mechanically reliable and durable, requiring no electrical power, functioning normally under all circumstances.
Customization Production Capability Supporting dimension, colour, and accessory adjustments per client requirements — factory equipped with flexible custom production capability.
DERCHI Modern Entry Security Door Grey
Product Specifications
Parameter Details
Brand DERCHI
Model Number RHM-B23T
Product Name Entry Security Door
Material Steel
Infilled Material Foam + Honeycomb Paper
Colour GREY
Standard Size 2050×960mm / Door Leaf Thickness 90mm
Position HOME
Opening Method Manual
Design Style Modern
Feature Anti-Theft
Surface Finishing Finished
Project Solution Capability Total Solution for Projects
Place of Origin Guangdong, China
Product Advantages
Premium Grey Modern Aesthetics
  • Grey (GREY) is the mainstream colour in contemporary home design — understated, versatile, and timeless
  • Grey tone seamlessly blending with all interior styles: Modern Minimalist, Scandinavian, Industrial, Light Luxury
  • Finished coating with refined texture — warm to the touch, visually conveying composure and sophistication
  • Simple panel design keeping the door face clean and crisp — unobtrusive yet distinctive
Reliable Anti-Theft Security
  • High-quality steel door body — structurally solid, pry-resistant, impact-resistant
  • Professional lock + handle + hinge standard configuration ensuring security performance
  • Foam + honeycomb paper infilling enhancing overall door rigidity — high difficulty for forced entry
  • Manual mechanical structure simple and reliable — no electronic failure risks
Highly Customizable
  • Standard size 2050×960mm meeting most residential door opening requirements
  • Non-standard size customization supported — perfect fit for special door openings
  • Colour, accessories, and opening direction all adjustable per requirements
  • Flexibly handling single-unit custom orders to bulk engineering orders
Solid Quality Feel
  • Foam + honeycomb paper infilling delivering substantial feel and weight
  • Closing sound solid and authoritative — incomparable to hollow door lightweight feel
  • 90mm door leaf thickness providing good sound and thermal insulation
  • Overall refined craftsmanship with quality evident in every detail
DERCHI Factory-Direct Supply
  • Own factory in Hubei — full quality control from raw materials to finished products
  • Total project solution support — one-stop service from design to delivery
  • Finished product from factory — on-site installation ready, shortening project timelines
  • Flexible capacity meeting different order scale requirements
Application Scenarios
Residential Apartment Entry: Premium grey complementing various modern apartment interiors — anti-theft security protecting families.
Villa Entry Door: Custom sizing matching villa door openings — simple modern style elevating architectural quality.
Hotel Rooms / Suites: Unified grey tone creating premium hospitality atmosphere — durable and reliable for high-frequency use.
Bedrooms / Studies: 90mm thickness providing good sound insulation — foam infilling for thermal comfort.
Home Office: Simple design not disrupting work atmosphere — anti-theft performance protecting office equipment.
Hospital Wards / Office Areas: Grey tone professional and composed — steel door body durable and easy to clean.
Outdoor Entrances: Steel material with good weather resistance — finished coating UV-resistant without fading.
Why Choose Us
DERCHI brand with own factory in Hubei — quality controlled at source
High-quality cold-rolled steel + foam + honeycomb paper composite structure — security and comfort combined
Premium grey finished coating — ready from factory with uniform, lasting colour
Full customization service: dimensions, colours, accessories all adjustable
Total project solution provided — one-stop service from design to installation
Factory-direct pricing advantage — single custom units and bulk engineering orders both welcome
Installation & After-sales
Installation Process: Confirm door opening dimensions & custom requirements → Factory production (12-20 days) → Finished product packaging & shipping → On-site installation → Lock calibration + open/close testing → Acceptance delivery
Warranty: Overall 2-year warranty; Door structure 2-year warranty; Surface coating 2-year warranty; Lock accessories 1-year warranty
After-Sales Service: After-sales support provided; Online technical guidance; On-site support coordinated for engineering orders
Maintenance Tips: Daily wiping with soft dry cloth is sufficient; for stains on grey finish, gently wipe with neutral cleaner; lubricate locks annually; avoid scratching surface with sharp objects
Frequently Asked Questions (FAQ)
What are the standard dimensions for the DERCHI RHM-B23T Entry Security Door?
The standard dimension is 2050×960mm with a door leaf thickness of 90mm. Non-standard dimensions can also be fully customized to fit your specific door opening requirements.
What internal filling materials are used for sound and heat insulation?
The door utilizes a dual-layer composite filling of Foam and Honeycomb Paper. The foam layer blocks thermal conduction and external noise, while the honeycomb structure reinforces compression strength and overall rigidity.
Is this door suitable for outdoor entrance installation?
Yes, the high-quality cold-rolled steel door body along with the professional UV-resistant grey finished coating provides excellent weather resistance without fading, making it ideal for outdoor entrances and villas.
What customization options are available for project orders?
We support full customization including door dimensions, surface colors, hardware accessories, and opening directions (left/right, inward/outward) to accommodate both individual residential orders and large engineering projects.
How long is the warranty and what does it cover?
We offer a 2-year overall warranty covering the main door structure and surface coating, and a 1-year warranty for lock accessories, along with continuous online technical support.
What is the lead time for production and delivery?
Standard factory production takes approximately 12-20 days following dimension confirmation and custom requirement approval, after which the pre-finished door is packed for shipping.

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