Engineered for durability, water efficiency, and modern design standards
The global plumbing and sanitary ware market is witnessing a profound structural shift. As urbanization accelerates and commercial infrastructure demands rise, the reliance on high-performance materials has never been more critical. Traditionally, brass dominated the sanitary valve and plumbing fixture industry. However, rising copper costs and strict regulatory limits on lead content (such as the EPA’s Safe Drinking Water Act and NSF/ANSI 61 standard) have catalyzed the adoption of advanced engineering alloys.
Zinc Alloys (specifically Zamak 3 and Zamak 5) have emerged as the premier choice for structural components, faucets, sink basins, and decorative hardware in modern sanitary environments. Known for their exceptional fluidity in casting, dimensional stability, and capacity for flawless electroplated or physical vapor deposition (PVD) finishes, zinc components offer a highly competitive structural alternative. In the global supply chain, finding an established OEM Zinc Sink and plumbing hardware manufacturer who understands the delicate balance of metallurgy, structural design, and corrosion-resistant finishes is key to sustaining competitive advantages.
Information Gain: Why OEM Zinc and allied zinc-plated copper/brass assemblies dominate modern architectural projects: Zinc alloys can be cast at lower temperatures than brass, resulting in longer tool life, lower energy consumption, and highly precise tolerances down to the micron level. This ensures leak-free fits for complex valve housings and faucet structures.
From raw Zamak ingots to multi-layered surface finishes: Our end-to-end production process
Utilizing fully automated hot-chamber die casting machines to maintain temperature control and inject molten zinc alloy at high pressures. This prevents internal porosity, ensures structural density, and guarantees precise tolerance matching for components like pull-out faucets and mechanical sprayers.
Eliminating surface defects is vital for zinc components. Robotic grinding and polishing machines buff the die-cast exterior to a mirror finish. This uniform substrate level is crucial before electroplating to prevent micro-bubbling or peeling over years of service.
Applying layered protection: first a copper strike coat, followed by nickel plating for strength, and a final chrome or color-layer (matte black, gold, gunmetal). This multi-barrier method ensures passing rigorous 24-hour neutral salt-spray (NSS) and acid salt-spray tests.
Raw Material Integrity: We strictly adhere to ASTM B86/EN12844 zinc alloy standards. Unik's manufacturing facility processes virgin alloy ingots to eliminate risk of trace iron contamination, which can compromise the alloy's structural integrity and corrosion resistance over long-term water contact.
FUJIAN UNIK INDUSTRIAL CO., LTD is located in Nan’an city, the renowned water heating and plumbing hub of China. Our state-of-the-art facilities feature specialized product manufacturing lines for high-quality faucets, plumbing accessories, and PTFE thread seal tapes. With vertically integrated production, we specialize in the innovation, structural design, custom fabrication, and international distribution of sanitary components.
Through decades of refining manufacturing technology, we have combined local industrial clustering advantages with world-class quality control systems. This allows us to offer comprehensive plumbing system accessories, including faucets, premium PTFE thread seal tapes, brass angle valves, luxury shower systems, and flexible water supply hoses.
Explore our diverse portfolio of internationally compliant products, customized fittings, and plumbing assemblies






Addressing environmental and project-specific challenges across diverse regional markets
Coastal and tropical climates demand superior defense against oxidation and atmospheric humidity. We utilize custom copper strike coats beneath chromium deposits on our zinc alloy housings. This provides high resistance to salt-air corrosion, making our faucets and valves reliable choices for coastal commercial projects.
Hotels, public facilities, and office buildings require hardware that withstands continuous use. Our OEM sensor-induction taps and pull-out faucets feature reinforced internal threads, heavy-duty ceramic cartridges, and impact-resistant zinc housings designed for millions of operational cycles.
Modern residential projects require both aesthetic appeal and water efficiency. Our smart thermostatic shower systems and multi-functional kitchen faucets combine advanced temperature displays and water-saving aerators. These additions reduce resource consumption without sacrificing water pressure.
Engineered for modern user requirements and compliant with international standards
Discover the latest entries in our plumbing hardware catalog, featuring updated profiles and configurations
Verified manufacturing excellence and recognized industry standard compliance
Fujian Unik Industrial Co., Ltd. regularly participates in major trade shows, plumbing exhibitions, and construction technology events worldwide. Connecting with developers, contractors, and retail partners keeps our product catalog aligned with changing market needs and global compliance standards.
Our product certifications span across critical standards markets, including European CE certification, ISO 9001 quality management compliance, and localized health and sanitary certifications.







Expert technical insights regarding OEM Zinc fixtures, plumbing manufacturing, and structural application
Zinc alloys (such as Zamak 3 and Zamak 5) melt at lower temperatures compared to brass. This reduces thermal stress on casting molds, extending tooling life up to ten times and lowering production costs. Additionally, zinc has high fluidity in molten state, allowing for complex geometries, thin walls, and highly precise tolerances. Zinc is also inherently lead-free, eliminating risk of lead contamination in potable water lines when paired with internal sanitary polymer flow paths.
Unik applies a multi-layered electroplating process. We deposit an initial copper layer, followed by a bright nickel layer, and a final chrome coating. The copper layer seals the cast zinc alloy surface, while the nickel layer provides corrosion resistance. The final chrome or PVD layer adds scratch resistance and aesthetic finish. All products undergo rigorous neutral salt spray (NSS) testing to ensure long-term durability in humid plumbing environments.
Yes. Our faucets are designed to prevent water from contacting the zinc alloy outer body. We route the water through internal pathways made of certified lead-free brass, copper, or food-grade polymers. This design keeps the water safe from chemical leaching, while utilizing the zinc alloy body for structural support and exterior design.
We provide full design customization. This includes custom branding, custom tool design, modifications to flow rate aerators, custom thread configurations (NPT, BSP, G), and customized finish choices like Matte Black, Brushed Gold, Polished Chrome, and PVD Satin Nickel. We also supply customized packaging and coordinate structural modifications to match regional plumbing requirements.
Nan'an is the largest plumbing and sanitary ware manufacturing hub in China. This concentration of companies creates an efficient supply chain that includes raw materials, foundry tooling, casting, surface finishing, and quality testing. It allows us to source raw materials efficiently, customize designs rapidly, and keep production costs competitive for international clients.
We implement quality control at three stages. We perform material inspections on raw metal ingots and PTFE resins. During production, we inspect casting dimensions and verify polishing quality. Final checks include 100% pneumatic and hydrostatic testing to confirm leak-free performance, along with plating thickness measurements using specialized instruments.
Yes, we operate our own PTFE thread seal tape and elastomer casting lines. This enables us to monitor sealing tape density and spool consistency, and ensure our EPDM O-rings are designed to resist thermal stress. Manufacturing these key sealing components in-house ensures reliability for our primary faucet lines.
Our cast zinc alloy materials are 100% recyclable, which supports circular economy models. We also design our faucets with high-efficiency aerators that reduce water consumption while maintaining performance. This helps commercial and residential projects meet water efficiency requirements under international green building standards.
Lead times vary depending on the product type and customization requirements. Standard products usually ship within 30 to 45 days after order confirmation. For custom designs that require new die casting molds, tooling creation takes an additional 25 to 30 days. We provide clear milestone updates from design approval through final production.
Our smart thermostatic shower systems use integrated micro-turbines that generate electrical power from water flow. This system displays water temperature and ambient light without requiring external batteries or connection to household electrical systems. This design is safe and easy to install in standard bathroom configurations.
We provide innovative solutions for sustainable progress. Our professional engineering team works to increase production efficiency and cost-effectiveness for global markets.
Contact Our Engineering TeamHigh-tolerance accessories, valves, and thread seal systems for professional installers