Why Choose Our Interior Wooden Doors For Your Project?
- ISO Certified Quality Control System
- 6+ Material Options for Different Budgets
- 15 Years Export Experience to 30+ Countries
- 20 Day Production Lead Time
- 50+ Design Catalogs for Project Selection
- Support Small Orders & Mixed Containers
Stable and Efficient Interior Wooden Door Supply Solution
As an interior door supplier, we have more than 20 factories specialising in interior wooden doors within our company, enabling us to provide you with a more stable and efficient one-stop procurement service.
In terms of structure configuration, our interior wooden door frame thickness is 3–3.5 cm, made of high-quality rubber wood. The overall structure is more stable and straighter, and the installation process is smoother, which can help you reduce on-site adjustment time. A moisture-proof paint treatment is added on the back, which can effectively improve moisture resistance and reduce after-sales problems caused by damp and mold, especially suitable for humid areas and high-usage projects.
The door leaf thickness of our interior wooden doors is 5–5.5 cm. The internal structure uses a rubber wood frame, which has stronger anti-deformation ability and can reduce the risk of cracking, warping, or deformation after long-term use, helping you reduce later maintenance pressure. The internal filling is a homogeneous graphite board, and the sound insulation performance is improved by about 10%, which can effectively reduce noise interference in hotels, apartments, and residential spaces, and improve the living experience of your end users.
If you are looking for a stable and reliable interior wooden door supply solution, please feel free to contact us at any time.
Interior Door Solutions by Core Material
Engineered for durability: MDF, Plywood, and Rubber Wood options.
Cost-effective solution, ideal for hotel, apartment, and residential projects.
Good moisture resistance, suitable for humid climates and high-humidity areas.
Better sound insulation with a premium appearance, ideal for high-end clubs and villas.
Why Global Projects Choose Our Interior Wooden Doors?
We provide customizable interior wooden doors with stable quality, flexible materials, and reliable production for residential, commercial, and construction projects worldwide.
Can use double frame or aluminum tube for stability.
Designed for hotel, apartment, and commercial projects.
Supports paint, melamine, PET, and PVC surface finishes.
Moisture-proof coating on the back frame improves resistance by 30%.
Over 10 sound insulation materials available for selection.
MDF offers cost-efficient options, solid wood for premium projects.
Standardized production ensures uniform appearance and quality.
Supports size, design, color, and hardware customization.
Interior Wooden Door Color & Supply Chain System
If you provide colors from other door factories, through cooperation with decorative panel factories, the color matching time has been reduced from 3–6 days to 2–3 days, saving 3–4 days for your project and shortening the lead time.
For the problem of inconsistent colors between batches, we work with the decorative panel factory and upstream suppliers to handle it, keep color backups, and check each batch. This allows you to place orders without worrying about customer complaints caused by color differences.
Through deep cooperation with the decorative panel factory, we have developed a dedicated color system, which improves your customer retention and repeat purchase rate, and brings you better economic benefits.
Stable Structure With Better Sound Insulation
To address issues of door warping and noise, we offer a door core solution that combines rubberwood filling with sound-insulating materials.
By using rubberwood strips as the core structure, the door leaf’s resistance to warping has been improved by approximately 15%, helping to reduce after-sales issues caused by warping or instability.
At the same time, the gaps between the rubberwood strips are filled with sound-absorbing foam, thereby enhancing sound insulation and effectively reducing noise-related complaints in residential or hotel settings.
This design strikes an ideal balance between weight, stability and sound insulation—making your door easier to install whilst ensuring long-term reliability.
Three-Step Dimension Control System for Interior Wooden Doors
We ensure the accuracy of interior wooden door dimensions through three steps, to avoid rework, project delays, and unnecessary losses caused by dimensional errors.
Dimension information is confirmed by scanning a QR code, to avoid mistakes, misreading, or misunderstanding during manual drawing reading or information transfer.
After scanning the QR code, the system directly transmits the dimension data to high-precision CNC equipment, and the equipment automatically uses the standard data from the server for precise cutting, reducing human operation errors from the production source.
Before packing and shipment, each batch of orders is again checked manually for dimensions, to ensure that even in the case of a very small probability of equipment deviation, it can be detected and corrected before shipment.
Through these three steps, your interior wooden door dimensions are verified multiple times throughout the production process, thereby minimizing the risk of dimensional errors, reducing the possibility of rework, and avoiding impacts on your project schedule and cost.
Machine and Manual Sanding Process for Interior Wooden Doors
In the production of rubber wood painted doors, we use a sanding method that combines machine and manual work.
The machine is responsible for fast processing of large flat surfaces, improving overall production efficiency, increasing production efficiency by about 8%–10%, and shortening delivery time by 3–5 days compared with competitors. This makes your project timeline more controllable and improves your site operation efficiency.
Manual work is used for fine sanding of detailed areas and surface finishing, ensuring the quality of edges and key positions, while maintaining the integrity of overall surface details, improving the gloss and flatness of the door surface, thereby increasing your customer satisfaction and reducing the probability of after-sales complaints.
Resources
Explore our full range of interior doors, designs, materials, and specifications in one complete catalog.
Access step-by-step installation guides and videos to ensure easy setup and correct door installation.
Learn how we ensure consistent quality through factory selection, production control, and strict pre-shipment inspection.
WanBaoYiJia – Our Advantage
Headquartered in Zhongshan, Guangdong, we are an interior wooden door manufacturer and supplier with more than 20 specialised interior wooden door factories.
Our core factory covers 20,000 m² with a monthly capacity of 20,000 sets, operated by 80 workers with over 10 years of experience in interior wooden door production.
We supply interior wooden doors, including MDF doors, plywood doors, and rubber wood doors, covering non-painted and lacquered types with 30+ subtypes.
Our production equipment was upgraded within the last two years. Our lead R&D engineer has over 20 years of experience in interior wooden door production.
Lead time is 3–5 days shorter than the industry average, supporting project schedules.
Interior Wooden Door Solutions for Different Project Requirements
Different interior wooden door solutions applied in real projects, including hotels, coastal buildings, residential projects, and villas. Each solution is designed based on cost, lead time, moisture resistance, and sound insulation requirements.
In a hotel project, the customer used an MDF + graphite homogeneous board filling solution. While meeting the sound insulation requirement, the overall cost was reduced by about 6%.
In a coastal project, the customer used a plywood door solution. The door leaf and frame surface used plywood, and a moisture-resistant paint was applied on the back of the frame. This solved the moisture problem and reduced the construction period by 15 days.
In a residential project, the customer used a paint-free door solution. The door surface used 8mm chestnut wood board, and the door leaf was filled with a bridge-hole engineered board. While meeting the sound insulation requirement, the lead time was reduced by 6 days.
In a high-end villa project, the customer used a solid rubber wood painted door solution. While meeting the high-end appearance requirement, the cost was 28% lower than other high-end solid wood painted doors.
Interior Wooden Door Factory Visits
Visitors walk through the workshop and look at door samples and finished doors.
A visitor talks with our team while walking through the workshop.
Visitors look through door sample books together at the office table.
Complete Interior Wooden Door Information Overview
Covering product specifications, after-sales service, factory capacity, technical drawings, and quality certifications for interior wooden door projects and procurement.
- Product Specifications
- After-Sales Service
- Product Details
- Factory & Supply Chain
- Quality & Certifications
| Item | Specification |
| Application | Residential / Hotel / Apartment / Commercial / Office |
| Door Structure | Solid core / Semi-solid core / |
| Inner Frame | Solid wood / Rubberwood / LVL engineered reinforced frame |
| Core Material | Solid wood strips / rubberwood strips / engineered wood / acoustic insulation board |
| Face Material | MDF / HDF / plywood / multi-layer plywood / rubberwood plywood (4–8 mm per side) |
| Surface Finish | Veneer / PVC laminated / Melamine /painted |
| Door Thickness | 45–50 mm (custom available) |
| Door Height | 2000–2400 mm (max up to 3000 mm) |
| Door Width | 600–1200 mm (single door standard) |
| Door Frame | Solid wood / rubberwood / engineered wood frame |
1. Spare Parts Policy (100:1 Ratio)
To account for on-site construction loss, we implement a 100:1 spare parts policy:
Architrave: 1 extra set of door architrave/casing per 100 sets to cover cutting errors.
Hardware: 1 extra set of locks per 100 sets for project backup.
2. On-site Repair Support
Every shipment includes color-matched repair paste. If minor surface scratches occur during installation, workers can perform immediate on-site repairs to maintain the final finish quality.
3. Multilingual Video Guidance
We provide step-by-step video installation guides customized by region and language. This ensures local construction teams can complete the assembly and adjustment process accurately and efficiently.
Factory Overview
We have cooperating factories of more than 20 inter doors, mostly in Zhongshan, Guangdong. This network allows production coordination across types of products.
Production Capacity
Some factories specialize in making around 30,000 prefinished door sets a month while others make up to 20,000. Others include glass, sliding and folding doors. They have a monthly capacity of over 8,000 sets in painted doors (rubber wood and MDF).
Supply Chain
Factory experience is mostly greater than 10 years; component suppliers often more than 15 years. This provides uniformity in quality, dependable coordination, and stable long-term collaboration.
Lead Time & Stability
For standard orders (40ft container, ~420 sets) it takes 20 days approx. For more complex doors like double, glass, sliding and folding it can take 25–30 days.
We maintain best practices controlling quality from raw material sourcing to final inspection
Raw Material Control
Suppliers are chosen only after extensive evaluation against strict criteria, and should have a minimum five years experience. Specific materials, such as adhesives, surface panels, and wood need test reports prior to supply.
Painted Door Production
Before painting, every painted door gets sanded dozens of times, including three after inspection. Only qualified panels proceed.
Prefinished Door Inspection
All the prefinished doors go through a stringent 7-step verification process to ensure evenness of performance as well as perfect dimensions and shape, making sure you get doors with the same surface finish before being shipped out.
Trusted Interior Wooden Doors for Global Projects
Experienced team, good purity, on time/fast delivery
For this Zhongshan door factory, we purchased 235 wooden doors with a melamine finish and commercial painted doors for our hotel. Quality and lead were good, around 22 days to deliver. I like their white door design. Happy customers with the sturdy doors and fair price. Very professional, works at your pace.
Michael TurnerPurchasing Manager, Building Materials CompanyHigh-end finishes and professional project support
We ordered a batch of flush interior doors for our apartment project. The finish and color consistency are very good. Communication was smooth, and they helped us choose the right specifications.
We also selected some glass door options. They offered more than 10 different glass styles, and we finally chose fluted glass. Our customers really like this design. All the glass is tempered, so everything arrived safely without any damage during shipping.
There was also a 2.5-meter-high solid wooden door in the order — it looks really impressive once installed.
Overall, a very reliable supplier for project buyers.
Sarah CollinsProject Manager, Real Estate DeveloperGood Product Range and fast communication
Having my own local shop, I looked for a reliable modern interior door supplier. Prices are well-positioned, and packaging is solid. The design and quality appeal to customers.
Sometimes I order small batches (20 sets). Due to the high installation costs in this country, I asked them at the factory to install the door frame, leaf, hinges, and locks in advance so that they could be installed easily.
Reduced installation time from 3 hrs down to 1.5 hours─ saving both money and labor costs in the process.
David RamirezOwner, Door & Flooring StoreFlexible MOQ and seamless consolidation for export agents
I have worked with many factories before, but this team stands out in custom interior door solutions. They respond quickly and understand export requirements very well, which saves me a lot of time.
I often work in Guangzhou and Foshan, and their factory location is very convenient for me to bring clients to visit and check products. Even when my order quantity is small, like 10+ sets of interior wooden doors, they can arrange delivery to my Foshan warehouse on schedule. This makes container consolidation much easier for my business.
Emily ZhangSourcing AgentAccurate sizing and in-stock options to speed up projects
We used their interior doors for residential projects, and the installation was smooth. The door sizes are accurate, and the overall quality meets our expectations.
As a contractor, lead time is very important to me because any delay can affect my entire project schedule. I really appreciate that they keep some stock interior door panels and finishes available, which helped a lot. By choosing their in-stock colors, I was able to shorten my project timeline by about 7 days, which made a big difference for my delivery schedule.
Will continue to cooperate.
James WalkerContractor
Yes, our interior wooden doors can be customized in size, color, and design. We have over 500 door styles and finishes available. If you don’t find a matching color or design, you can share your requirements, and we can adjust it through our panel suppliers. We work with around 10 veneer and surface material partners, which allows flexible color matching and customization for different projects.
The production time is about 20–25 days. If the color is in stock, it can be finished in around 15 days.
Our door frames are mainly made of solid wood, rubber wood, or LVL. For surface panels, we use plywood, MDF, or rubber wood veneer. We also offer more than 10 types of core fillings, with different structures and costs depending on the project needs. For indoor use, the service life can reach over 20 years.
Related Products
Flush doors offer smooth profiles with configurable core structures, filling materials and hollow rates for project requirements.
Panel doors offer multiple construction and material options, helping buyers match decorative designs with project budgets.
Molded panel doors add visual depth while supporting consistent designs and selectable core options for project orders.
Glass doors balance natural light, privacy and security with tempered glazing options for varied interior projects.
Plywood door sets combine plywood-faced leaves and matching frames with selectable semi-solid or solid-core structures.
