Explore our highly-acclaimed custom components, crafted via strict die-casting, precision CNC machining, and high-performance electroplating.
Founded originally as Tiezhu Hardware Factory in 2007 and rebranded as Ningbo Huazhu Precision Machinery Co., Ltd. in 2015, we have established ourselves as a benchmark of excellence in high-precision bathroom hardware fabrication. Headquartered in Ningbo, Zhejiang, China, our advanced facility bridges the gap between state-of-the-art tooling development and seamless volume production.
We specialized in bathroom hardware, shower room accessories (e.g., heavy-duty shower hinges), custom faucets, door and window hardware, and luxurious decorative fittings. Our integrated engineering system contains all segments: mold making, die-casting, precision machining, automated polishing, electroplating, coating, inspection, and assembly.
Our philosophy is grounded in a deep commitment to customer success: "To create value for customers, achieve win-win partnerships, and empower employees to realize their potential." This guiding tenet makes us the premier choice for OEM/ODM hardware supply chains.
Why Tier-1 global brands consolidate their hardware development within Ningbo's industrial hub.
From the raw molten zinc alloy (Zamak) to electroplating and structural analysis under one roof. Integrated operations eliminate transit defects, optimize yield rates, and condense lead times by up to 35% compared to fragmented supply networks.
With an in-house tooling workshop, we build robust steel molds within 28 to 35 days. This engineering setup allows rapid design iterations, allowing premium manufacturers to respond to shifting market expectations almost instantly.
Located in the heart of Ningbo,浙江省, our facility sits in close proximity to Ningbo-Zhoushan port, the world's busiest container port. Direct shipping lines guarantee rapid sea-freight logistics, reducing international container transit costs.
In high-moisture sanitary environments, material selection is critical to ensuring mechanical longevity. At Ningbo Huazhu, our structural components utilize premium Zamak 3 and Zamak 5 zinc alloys, as well as marine-grade SUS 304 and SUS 316 stainless steel. Zinc alloy die-casting is ideal for producing complex shapes with thin walls and exceptional dimensional stability. The alloy's fluidity allows for tight mechanical tolerances (up to 0.02 mm), minimizing post-cast machining.
Our stainless steel precision casting yields components with high tensile strength and chemical resistance. This is crucial for elements supporting heavy load dynamics, such as frameless shower doors, heavy-duty glass-to-glass support bars, and structural wall mount clamps. By choosing Ningbo Huazhu, clients leverage specialized metal alloys optimized for mechanical performance, corrosion mitigation, and surface finish adhesion.
For premium hardware, the surface finish serves as both a barrier against corrosion and a key aesthetic selling point. Our state-of-the-art facility integrates advanced finishing technologies, including automated mechanical polishing, electroplating (bright chrome, satin nickel, and gold), electrostatic powder coating, and Physical Vapor Deposition (PVD).
Our automated polishing system ensures consistent surface roughness (Ra) down to 0.1μm, eliminating pitting and waviness. During electroplating, the multi-layered deposition of copper, nickel, and chrome creates a durable barrier against environmental wear. For luxury architectural layouts, our PVD coatings provide extreme surface hardness and resistance to scratching, fading, and chemical cleaners.
All finished products are subjected to strict quality control, including neutral salt spray (NSS) testing. While standard products require 24H or 48H tests, Ningbo Huazhu regularly delivers products certified for 240-hour to 480-hour salt spray exposure. This ensures long-term performance even in coastal resorts or luxury cruise ships.
How we address the complex procurement needs of commercial projects, luxury hospitality, and high-volume brands.
For projects like luxury hotels and high-rise residences, reliability is essential. Our heavy-duty glass hinges, linear floor drains, and structural hardware are engineered for high-frequency use. Robust pivot mechanisms minimize sagging, reducing maintenance overheads for hotel operators.
We offer global distributors and brands full customization options, including custom brand stampings, logo laser engraving, and custom retail packaging. Working as a silent OEM/ODM manufacturer, we supply high-performance parts that seamlessly integrate with our clients' existing supply chains.
Our custom faucets, handles, and valves are engineered to meet global water conservation standards. By integrating eco-friendly aerators and precision ceramic cartridges, our hardware supports flow rates that comply with international certifications like LEED and CalGreen.
From modern brushed gold towel bars to cabinet handles and vanity hardware, we provide design-forward finishes that are highly resistant to moisture, skin oils, and household cleaners, keeping residential interiors looking new for years.
Ensuring absolute compliance with international quality benchmarks, quality management, and environmental mandates.
Quality assurance is built into every step of our manufacturing workflow. Ningbo Huazhu is proud to maintain an ISO 9001 certification, reflecting our commitment to standardized quality management, document control, and continuous improvement.
Additionally, we hold the IATF 16949 certification. Originally developed for the automotive supply chain, this rigorous standard demands strict process controls, FMEA (Failure Mode and Effects Analysis), and minimal process variation. By applying automotive-grade manufacturing discipline to bathroom hardware, we ensure exceptionally low defect rates and long-term product reliability.
Our factory processes are fully aligned with RoHS, REACH, CE, and CUPC directives. This compliance allows global exporters to import our hardware into North American and European markets with complete confidence.
We provide high-precision OEM/ODM manufacturing services for some of the world's most demanding brands.
The convergence of material science, sustainable production, and smart building integration.
Modern luxury spaces are increasingly adopting sensor-activated, touchless bathroom fixtures. We integrate precise electronic mounting paths and wiring systems into our zinc and brass castings to support next-generation smart fixtures.
With tightening environmental regulations, traditional chrome plating is shifting toward sustainable alternatives. Our high-efficiency PVD and advanced powder coating lines deliver premium aesthetics while significantly reducing carbon emissions.
By leveraging computational mold-flow analysis and optimized vacuum die-casting, we reduce air entrapment in castings. The resulting high-density components offer exceptional structural integrity and support flawless chrome finishing.
Comprehensive answers to frequently asked technical and commercial questions regarding custom OEM/ODM production.
Our typical mold development phase is between 28 and 35 days. This includes initial 3D design verification, DFM (Design for Manufacturability) analysis, CNC tool path creation, trial casting runs, and the submittal of First Article Inspection (FAI) samples to the client for final dimensional sign-off.
We maintain strict quality control through automated plating racks and chemical bath management. Our in-house QC laboratory conducts regular thickness testing, cross-hatch adhesion testing, and Neutral Salt Spray (NSS) testing (ranging from 240H to 480H) to ensure uniform surface quality across all production batches.
Yes. Although zinc alloy (Zamak) die-casting is our primary specialization, we have dedicated production capabilities for premium copper/brass parts, aluminum alloy components, and high-durability stainless steel precision casting (e.g., SUS 304 and SUS 316).
IATF 16949 certification guarantees structured manufacturing quality. This system requires strict traceability, automated monitoring of casting parameters, tool wear indicators, and structured corrective actions. For our B2B customers, this means higher product consistency and reduced arrival-defect rates.
Explore our highly-durable cabinet pulls, faucets, bracket assemblies, and high-corrosion resistant utility components.
Whether you require a standard product line quote, custom mold configuration, or high-durability surface treatment testing, our engineering team is ready to assist. Contact us today, and we will respond with a technical evaluation within 24 hours.
Huazhu
