What are the main benefits of knock-down frames?

Cheaper and easier shipping, install after walls are finished, good for retrofits and non-standard openings.

Premium Steel Door for Enhanced Security and Durability

Name: Premium Steel Door for Enhanced Security and Durability
Brand: Nanchang Zhuohong Import&Export Co., Ltd
SKU: 2244656985

Jiangxi, ChinaNanchang Zhuohong Import&Export Co., Ltd

US$88.00

1-9 Square Meters

US$80.00

10+ Square Meters

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

2 Years

Model NO.

steel door 001

Material

Steel

Style

Modern

Open Style

Swing

Sound Insulation

Screen Netting Material

Honey Paper

Veneer Wood

Customizable

Position

Entrance /Entry /Front/Garage

Security Rating

Surface Finishing

Finished

Function

Security, Decoration

Product Name

Door

Keywords

Steel Door

Door Leaf Panel

1.0 mm Thickness Galvanized Steel Sheet

Door Frame Panel

1.5mm Thickness Galvanized Steel Sheet

Surface Finish

Door Leaf and Frame Powder Coated

Door Leaf Thickness

50mm,70mm

Door Frame Thickness

100mm,150mm

Opening Direction

Swing Inward / Outward

Color

Ral Color System, Could Be Customized as Well

Vision Panel

with or Without as Requsted

Louver

with or Without as Requsted

Standardhardware Accessories

Hinges,Door Closer,Lockset,and Bolt

Transport Package

The Product Is Encapsulated with Bubble Wrap

Specification

Standard Specifications or Customized

Trademark

ZHUOHONG

Origin

Jiangxi, China

HS Code

73080000

Production Capacity

50000 Sets/Year

Key features

2-Year Warranty Coverage: Comprehensive warranty protection for 2 years on all mechanical and structural defects.

Customizable Color Options: Available in RAL color system with full customization capabilities to match design needs.

Flexible Door Thickness: Door leaf available in 45mm, 50mm, or 70mm thickness; frame in 100mm or 150mm.

Reversible Door Leaf Design: Door leaf can be flipped on-site to change swing direction without reordering.

Knock-Down Frame Option: Ships in separate pieces for easier transport and on-site assembly after wall completion.

Fire-Rated Certification: UL-certified steel fire doors with 2-hour fire resistance for emergency evacuation routes.

Customizable Vision Panel: Vision panel and louver options available with or without as requested by the client.

OEM and ODM Services: Full customization available from designs or samples with flexible production support.

Company profile

Importers and ExportersLow MOQFast Delivery

Nanchang Zhuohong Import&Export Co., Ltd

Jiangxi, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤1.51h

AI-Powered supplier vetting

SummaryNanchang Zhuohong Import&Export Co., Ltd is a trading company located in Nanchang, Jiangxi, China, established in 2014. It focuses on the production and sale of fire safety products, including doors and windows, and holds over 20 patents. The company has a skilled workforce and advanced production equipment but lacks disclosed capabilities in overseas operations, R&D services, and after-sales support. It has received several awards for quality and innovation, indicating a strong reputation in its industry.

Supplier typeThe supplier is a trading company located in Nanchang, Jiangxi, China, with a focus on wholesale and retail industries.

CertificationsThe supplier underwent an audit by CTI, but the result of the audit evaluation was not positive.

R&D capabilityThe supplier has won more than 20 patents and several awards for innovation, including the 2023 Advanced Unit of Fire science and technology innovation.

Production capacityThe supplier has advanced automated production equipment and a high-quality product testing center, indicating strong production capabilities.

Client casesZhuohong brand products are used in 26 provinces and regions in China, in projects like large commercial buildings and residential projects.

Product Q&A

Q:What is a hollow metal door?

A hollow metal door (also called steel door or commercial hollow metal door) is made from cold-rolled or galvanized steel sheets formed into two face panels with a hollow core (often reinforced with honeycomb, polystyrene, polyurethane, or steel stiffeners). It's the industry standard for commercial, institutional, and industrial applications.

Q:Where are hollow metal doors typically used?

Schools, hospitals, offices, warehouses, hotels, factories, stairwells, corridors, and high-traffic/exterior openings requiring durability, security, or fire protection.

Q:What is a reversible hollow metal door leaf?

A door leaf that can be flipped on-site to change from left-hand to right-hand swing (or vice versa), no need to order specific handing.

Q:Why choose reversible hollow metal doors?

More flexible installation, fewer ordering mistakes, less inventory needed, easy to adjust on job site.

Q:What is a knock-down (KD) frame for hollow metal doors?

A frame that ships in separate pieces (head + 2 jambs) and is assembled on-site.