Zonle Doors has specialized in door manufacturing for 20years

Steel Door Institute, Brand 1
Steel Door Institute, Brand 2
Steel Door Institute, Brand 3
Steel Door Institute, Brand 1
Steel Door Institute, Brand 2
Steel Door Institute, Brand 3

Steel Door Institute, Brand


Product details of the steel door institute,

Quick Detail

In the development of steel door institute,, the research design is put into a huge cost. The quality of this product is strictly controlled by our professional quality check team. has strong financial strength, strong employee cohesion, reliable product quality, and good reputation in steel door institute, field.

Product Description

steel door institute, has excellent performances by virtue of the following excellent details.

Freight information


Trade Terms EXW, FOB, CIF, CNF, etc.
Supply Ability 20,000pcs / day
Port Fangcheng, Guangzhou, Ningbo, Tianjin
Payment L/C, D/A, D/P, T/T, western union, money gram, PAYPAL payments for offline orders.
Packaging Detail PVE film packaging, Carton Packing, Wooden pallet packaging.


Product  Configuration



Product Name

High Quality External Steel Security Door Design Modern Exterior Front Door

Project Solution Capability

Graphic Design, 3D Model Design, Total Solution For Projects




Width: 860mm/960mm/1200mm/1500mm


Height: 1960mm/2050mm


Thickness: 70mm/80mm/90mm


Other Sizes Can Be Customized

Door leaf Thickness


Steel Frame thickness


Surface finishing

Brushed,Wooden Grain Heat Transfer, Powder-coating,Translucent transfer,Transparent transfer, Matte transfer, Imitation Copper Or Other Special Painting

Door Design

Single Door, One and Half Door, Double Door Design

Infilling Materials

Honeycomb Paper or Mineral Cotton or Other Special Material


Exterior Door, Outer Door, Interior Door, Inter Door


Security Doors,Front Door, Entrance Door, Bedroom Door,Office Door, Hospital Door, School Classroom Door

Use Occation

Building, Apartment,School, Hospital and so on


Cheap price, Nice Quality, Delivery on Time, Project Solution

Opening degree

90-180 Degrees


Various colors such as wood grain, fruit wood, traditional walnut, danish walnut, golden oak, red mahogany, wine berry, light oak, medium oak, cherry


CE, China CCCF, ISO9001, ISO14001


Door Hardware and Accessories


Lever Handles, lock, hinges, peephole, doorbell, rubber seal, bolts

Door Hinge

3pcs/4pcs Invisible/visible door hinges

Lock System

New Design Main lock + side lock +up lock/down lock / second lock; AB machinery lock or dual-rapidness lock

Door Handle

Integrated design of door leaf handle, Concealed Door handle


New Design small silver Wide angle Clear vision peephole


Ordinary or alarm doorbell

Door sill

Stainless Iron

Rubber Seal

New Design Rubber Seal


Copper/Aluminium Copper Cylinder with 5+2 AB keys

Fixing Bolts

6 Fixing Bolts( Size depends on your market)

Side lock

2-4 points according to dimension


Packing and Delivery


1 piece/carton


inside PE film + bubble bag/outside strong carton

Delivery time

15-25days after receiving the deposit



Impression drawing 


Steel Door Institute, Brand 4



Structure and details


    Steel Door Institute, Brand 5  





Steel Door Institute, Brand 6


How to measure wall hole size


Steel Door Institute, Brand 7
Steel Door Institute, Brand 8
Steel Door Institute, Brand 9


Drawing for inside opening


Steel Door Institute, Brand 10
Steel Door Institute, Brand 11
Steel Door Institute, Brand 12



Hot-sale products

Steel Door Institute, Brand 13
Steel Door Institute, Brand 14
Steel Door Institute, Brand 15
Steel Door Institute, Brand 16



Company Profile

About Zonle Doors


Zonle Doors is a professional and one of the largest door manufacturer in China. It has been focusing on manufacturing steel door, fire door, wooden door for 20years.


Our products have passed the CE certification, China CCCF Fire door certification, and company has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, China Environmental Labeling Product Certification, also obtained the anti-theft security door inspection report certified by the national authority.


We have four door industry bases located in Guangxi, Sichuan, Hubei and Shandong, the industry bases covers a total area of 900,000 square meters. In order to better control stable product quality, reduce production costs and shorten delivery time, it has also invested in multiple door accessories workshops.


The group insists on science and technology as the primary productive force, and intelligent manufacturing. It is one of the first domestic manufacturers to adopt fully automated production lines, more than 10,000 workers and over 50 R&. It has 58 professional production lines of international advanced level, high-speed precision slitting machine, CNC laser cutting machine, automatic multi-layer hot-press gluing machine and many other international advanced equipment. The annual production capacity is 7.2million pieces metal steel door, 1 million pieces of fire doors and wooden door.


Zonle Doors has been sold to over twenty countries and regions, include Asia, Middle East, South America, and Europe.

Workshop show


Steel Door Institute, Brand 17
Visualization Production Control Center
Steel Door Institute, Brand 18
Door frame automatic forming production line
Steel Door Institute, Brand 19
Door leaf laser embossing production line
Steel Door Institute, Brand 20
Doors phosphating and pickling production line


Steel Door Institute, Brand 21
Door frame welding production line
Steel Door Institute, Brand 22
Door leaf hot pressing production line
Steel Door Institute, Brand 23
Steel Door Paint Production Line
Steel Door Institute, Brand 24
Wood grain transfer production line


Warehouse and Delivery


Steel Door Institute, Brand 25
Steel Door Institute, Brand 26


Why choose us


1) Certification: Our products have passed the Europe CE certification, CCCF certification, and company has passed ISO9001 and ISO14001 certification.

2) 20years Door Manufacturing Experience: We has been focusing on manufacturing metal steel door, fire door and wooden door for 20year.

3) The largest door manufacturer: Our four doors industry bases covers a total area of 900,000㎡, 58 professional fully automated production lines, more than 10,000 workers. It is one of the first domestic door manufacturers to adopt fully automated production lines.

4) Quality Assurance: The testing system covered from raw material, components, semi-finished doors and door accessories.  Tests include salt spray test, service life test, and anti-vandalism test, anti-fire test.

5) R&D Capability: The company has over 50 R&D personnel. 

6) Delivery on Time Assurance: The annual production capacity is 8million pieces metal steel door, 1 million pieces of fire doors and wooden door.  

7) Project Solution: Supply one stop project case solution service since 2008. 

8) Cost Effectiveness Solution: Self-produce door accessories and door hardware, such as paint, plastic powder, door locks, door hinges, door handles, peephole, doorbell, door closer, panic bar device. So the purchase cost and production have been controlled effectively.




Steel Door Institute, Brand 27




Q1: What preferential terms you could give me if I increase the order's quantity?

A: The price will discount some. More QTY, more discount.


Q2: Where is your factory located? How can I visit there?

A: We have 4production industry, they are located in Sichuan, Guangxi, Hubei and Zhejiang province in China. All our clients from home and abroad are warmly welcome to visit us.


Q3: What is the minimum order quantity?

A: Our min order qty is 1PCS   


Q4: What’s your policy for samples?

A: For small sample,we can offer for free. For completely doors ,we have to charge some cost on actual situation. But we will refund the sample charge to you if you place bulk order next time.


Q5: What kind of Certification do you have?

A: After professional testing by relevant institution, we have got certificates of UL, CE, ISO9001, ISO14001, CCCF, Technology patent certificate and Anti-theft door standard etc.



Q6: Are you factory or trading company ?

A: Of course we are factory. Our 4 doors industry bases covers a total area of 900,000 square meters, with more than 10,000 workers.

Hollow metal types commercial home depot steel door with glass used for sale

Hollow metal types commercial home depot steel door with glass used for sale

Hollow metal types commercial home depot steel door with glass used for sale

Company Advantages

offers the best steel door institute, at the best price. We are able to personalize our products in a unique style. These steel door institute, are designed and developed in tandem with industry norms and standards. To ensure that we all act with the utmost standards, we have created an environmental policy for everyone to adhere to. The environmental policy is under the direct control of the managing director of the company. Welcome to visit our factory!
We provide you with high-quality products and look forward to your inquiry.

Contact us
we welcome custom designs and ideas and is able to cater to the specific requirements. for more information, please visit the website or contact us directly with questions or inquiries.
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