Quiet Power, Visible Purity.
Quiet Power, Visible Purity.
For Cleanliness and Freshness
Who we are
Founded in 2006, Xiamen NUCA Sanitary Ware Technology Co., Ltd. is a national high-tech enterprise categorized as "Specialized, Precise, Unique, and Innovative," specializing in the development and production of high-quality flushing systems. Its product range includes cistern fittings, concealed cisterns, and smart toilet components. NUCA holds over 100 patents and international certifications, and its products are exported to over 40 countries.
Experience in R&D
Over 20 years in the development of flushing systems, our own engineering base and constant innovation.
Global presence
We partner with brands and distributors in over 60 countries to ensure stable supplies, consistent quality, and reliability.
Full product line
Cistern fittings, concealed systems, and smart modules – everything for domestic, commercial, and OEM solutions.
Quality assurance
cUPC, CE, WRAS, WaterMark, SASO, ETL certificates and Sirim, SASO production – reliability and international compliance.
Product categories
Fittings for flush tanks
Reliable inlet and outlet valves ensure consistent flushing, quiet operation and durability.
Concealed installation cisterns
Compact and robust concealed installation systems for residential and commercial bathrooms, compatible with various toilet types.
Smart toilets
Compact and robust concealed installation systems for residential and commercial bathrooms, compatible with various toilet types.
What can we do for you?
As a specialized manufacturer of flushing systems, we provide brands, distributors, and project customers with reliable engineering support, full-cycle OEM/ODM services, and stable large-scale production.
From product development to mass production, we transform ideas into proven, highly effective flushing solutions.
OEM/ODM engineering support
We design and develop custom flush systems, valves and cisterns to suit your brand or project requirements.
Transparent cost control directly from the manufacturer
Rational production and in-house capacities ensure competitive prices, predictable lead times and stable supplies.
Consistent quality in every batch
All products undergo 100% functional, pressure and durability testing in accordance with international standards.
Flexible manufacturing capabilities
From pilot batches to large-scale production, we respond quickly to market needs and project requirements.
Technical support for installers and projects
We provide technical documentation, CAD drawings, installation instructions, and engineering consultations for residential and commercial properties.
Precision injection molding
Our injection molding department is equipped with equipment of varying tonnages and an in-house mold development system. We use only virgin raw materials and maintain strict traceability of each batch, ensuring dimensional accuracy, stable operation, and high durability.
- Injection molding machines of various tonnages
- Own press molds and their maintenance
- Automated feeding and control of parameters
- Stable daily and weekly performance
Automated and standardized assembly
All components are assembled using standardized processes, automated workstations, tightening torque controls, and leak testing. Each assembly undergoes a series of functional tests, ensuring reliable operation in both residential and commercial environments.
Testing and quality control
We offer reliable plumbing fixture solutions based on our own production, R&D, and 18 years of experience. We create certified and customizable flush systems for a variety of customers. We stock over 400 models and 2,000 part numbers to ensure a reliable supply to e-commerce, distributors, and retailers.
Pressure and tightness
Tests to ensure the reliability of every part.
Durability of 200,000+ cycles
Long-term durability and stability testing.
Control of raw materials and production batches
Guarantee of consistent quality at every stage of production.
International certification
Compliance with global safety and reliability standards.
Bestsellers
Our most popular models, market-tested and certified to international standards.
Dual mode filling valve
Universal exhaust mechanism
Concealed mounting system (installation)
Smart Flush Kit
News and Articles
Useful materials about flush systems, concealed installations, and plumbing fixtures. We help brands, distributors, and installers better understand our products and choose the best solutions.
N5100 Plastic Tank: Reliability and Style in Your Bathroom
1. Problems with Plastic Toilet Tanks: Common Difficulties 2. Solutions from Leading Manufacturers: N5100 as the Ideal Plastic Tank 3. Benefits of Working with Professional Plumbing Manufacturers
Toilet Parts Supplier: Bathroom Innovation and Reliability
1. Discovering the world of toilet parts suppliers 2. Toilet manufacturers and their innovations 3. OEM production and hidden systems 4. Smart toilets: the future of plumbing 5. Why you should choose a trusted supplier 6. The benefits of innovative bathroom solutions
Toilet Parts Supplier: Quality bathroom components
1. Introduction to the world of reliable supplies 2. Toilet manufacturers and their features 3. OEM production for individual needs 4. Innovations in smart technologies 5. Hidden systems and their advantages 6. Spare parts supplies for all needs 7. Why choose us as a supplier
Contact us
We are ready to create the optimal flushing solution for your needs.
Our specialists will help you select products, adapt the design to your market, and ensure stable supplies.
- Plumbing brands
- Distributors
- Wholesalers
- Manufacturers of furniture and modular bathrooms
- Developers and project projects