What Are the Best Interior Door Manufacturers in 2026?
As the global demand for high-quality interior doors continues to grow, China remains one of the world’s most important production bases for wood, composite, and WPC interior doors. With advancements in materials, automation, and design, several Chinese manufacturers have become leading suppliers to international wholesalers, contractors, builders, and project developers.
Below is a list of the top interior door manufacturers in China in 2026, including established brands such as Zonle Doors, OPPEIN, Oppolia, Yingkang/Jiuyixing, KOJO, and SPDO Doors. Some brands are part of the same group—for example, Oppolia is a sub-brand under OPPEIN, and Yingkang Doors and Jiuyixing belong to the same company.
Top Interior Door Manufacturers in 2026
1. Zonle Doors
Zonle Doors is a well-known large-scale door manufacturer offering interior wood doors, WPC doors, glass doors, and steel-wood doors. With automated production lines, strong R&D capabilities, and strict quality control, Zonle provides stable supply for both residential and commercial projects. Their broad product range makes them a reliable partner for large-volume orders.
2. OPPEIN / Oppolia
OPPEIN is one of China’s most famous whole-house customization brands. Its sub-brand Oppolia focuses on modern interior doors that blend seamlessly with contemporary home décor.
Key features of OPPEIN / Oppolia doors:
Stylish designs aligned with international trends
Strong production capacity and global supply network
High consistency in color, finish, and structure
Integration with whole-house furnishing systems
For high-end residential projects, Oppolia is a standout choice.
3. Yingkang Doors / Jiuyixing (Same Company)
Yingkang and Jiuyixing are known for their specialization in WPC (Wood-Plastic Composite) interior doors, a material favored for its durability and moisture resistance.
Highlights:
Large-scale production with over 200+ production lines
Strong focus on waterproof, termite-proof, and eco-friendly materials
Widely used in hotels, apartments, schools, and residential buildings
Customizable colors, skins, frames, and profiles
If your project requires durable, moisture-proof interior doors, Yingkang/Jiuyixing is a leading supplier.
4. KOJO
KOJO focuses on eco-friendly WPC interior doors and walls, using advanced PUR coating and automated spray lines. The company holds various environmental certifications and patents, making it popular among customers who prioritize green building materials.
Strengths:
High environmental performance
Stable and long-lasting finishes
Strength in new materials and modular interior systems
KOJO is ideal for clients who require sustainable interior solutions.
5. SPDO Doors (Henan Chuntian Industrial Co., Ltd.)
SPDO Doors is one of the rising stars in China’s interior door industry, known for its professional approach to OEM/ODM production, customization capabilities, and overseas project experience.
Why Choose SPDO Doors?
✔ 1. Wide Range of Interior Door Options
SPDO offers a complete selection of interior doors, including:
Solid wood composite doors
WPC waterproof doors
Carbon-crystal doors
Veneer doors
Customized styles for projects
This flexibility allows SPDO to meet the diverse needs of wholesalers, distributors, and contractors.
✔ 2. Strong Customization & OEM/ODM Capability
From size and color to structure, panels, and finishing, SPDO supports full customization. Designers can provide drawings, and SPDO develops tailored solutions for residential projects, hotels, offices, and apartments.
✔ 3. 10 Years of Manufacturing & Exporting Experience
With a decade of industry experience, SPDO understands international standards, packaging requirements, and shipping arrangements. This ensures smooth cooperation for global partners.
✔ 4. Factory-Direct Pricing
As a direct manufacturer, SPDO provides competitive prices while maintaining stable quality—making it ideal for bulk orders or long-term B2B procurement.
✔ 5. Eco-Friendly Materials & Modern Production
By combining traditional craftsmanship with automated production lines, SPDO ensures product consistency, durability, and sustainability.
✔ 6. Reliable Global Service
SPDO doors are exported to many countries in Africa, the Middle East, Southeast Asia, and South America. The company’s customer-focused attitude and fast response make it a trusted partner for international buyers.
Conclusion
China’s interior door industry continues to innovate and expand, offering stylish, durable, and cost-effective solutions for global markets. Whether you prefer modern designs, eco-friendly materials, or durable WPC structures, brands like Zonle Doors, OPPEIN/Oppolia, Yingkang/Jiuyixing, KOJO, and SPDO Doors are excellent choices in 2026.
Among them, SPDO Doors stands out for its customization flexibility, international experience, competitive pricing, and commitment to quality—making it one of the best partners for global interior door projects.
