- Ningbo Zhongli bolts manufacturing Co., Ltd. +86-574-86587617
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Trusted by Barcelona's construction, automotive and industrial sectors — DIN-standard washers built for European compliance.
Plain Lock Washer — Flat Washer DIN126 DIN125 Zinc Plated · Barcelona Construction Supply
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Large Galvanized Washers — Flat Washer DIN126 DIN125 Zinc Plated · Barcelona Infrastructure
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Galvanized Lock Washer — Flat Washers DIN125, Spring Washer DIN127 · Barcelona Industrial Export
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Spring Washer Supplier — Flat Washers DIN125, Spring Washer DIN127 · Barcelona Fastener Market
View Details →Barcelona stands as one of Spain's most dynamic industrial and commercial hubs, hosting a rich ecosystem of manufacturing, construction, logistics, and technology-driven enterprises. The city's port — the Port of Barcelona — is one of the busiest in the Mediterranean, facilitating the import of industrial fasteners including spring washers and flat washers from global suppliers such as Zhongli Bolts.
The spring washer market in Barcelona is closely tied to the city's booming construction sector. With major urban regeneration projects, smart city infrastructure investments, and a thriving automotive supply chain anchored by the SEAT factory in nearby Martorell, demand for high-quality DIN127 spring washers and DIN125 flat washers has grown steadily over recent years.
Barcelona's industrial zones — including Zona Franca, Poblenou 22@, and the Besòs corridor — are home to hundreds of manufacturers and engineering firms that rely on precision fasteners to meet European standards. Spring washers play a critical role in vibration resistance, load distribution, and bolt tension maintenance across these sectors.
Barcelona is a gateway to the Spanish and broader European fastener market. With EU-compliant DIN and ISO standards mandatory across construction and manufacturing sectors, sourcing from ISO 9001-certified Chinese manufacturers like Zhongli Bolts gives Barcelona-based distributors and contractors a significant cost and quality advantage — meeting EN 15048, EN 14399, and CE certification requirements.
Understanding the forces shaping Barcelona's fastener procurement landscape.
Barcelona's ongoing smart city projects, metro line extensions, and sustainable housing developments require millions of DIN-standard fasteners annually. Spring washers are essential for structural bolted connections in steel and concrete frameworks, ensuring joint integrity over decades of use.
With SEAT's Martorell plant and a growing electric vehicle component supply chain around Barcelona, demand for precision spring washers in powertrain assemblies, battery mounting systems, and chassis components is increasing. DIN127 spring washers provide critical vibration damping in high-cycle automotive applications.
Catalonia's ambitious renewable energy targets are driving wind turbine and solar panel installations across the region. Spring washers and flat washers are indispensable in turbine tower bolted flanges and solar mounting structures, where corrosion resistance and long-term clamping force are paramount.
Barcelona's Poblenou 22@ technology district is home to advanced manufacturing companies embracing Industry 4.0 processes. These firms demand fasteners with tight dimensional tolerances and consistent mechanical properties — exactly what ISO 9001-certified producers like Zhongli Bolts deliver.
All structural fasteners used in Barcelona and across Spain must comply with EN 15048 and EN 14399 standards. Zhongli Bolts holds CE certifications for both standards, making their spring washers and flat washers fully compliant for use in Spanish and EU construction projects without additional testing.
The Port of Barcelona's direct shipping connections to Chinese manufacturing hubs in Ningbo and Shanghai enable efficient bulk procurement of spring washers. Barcelona-based distributors benefit from competitive lead times and the ability to consolidate container loads of multiple fastener types from a single supplier.
From the Sagrada Família's structural steelwork to Barcelona's modern industrial parks — spring washers are everywhere.
Barcelona's rich architectural heritage and active restoration projects use high-strength bolted connections with spring washers to ensure long-term structural integrity without damaging historic materials.
One of Europe's largest industrial zones, Zona Franca hosts logistics, manufacturing and chemical processing facilities that rely on zinc-plated and hot-dip galvanized spring washers for corrosion-resistant bolted assemblies.
Barcelona's expanding metro network and Rodalies commuter rail system use spring washers in track fastening systems, station steelwork, and tunnel lining bolt assemblies — requiring DIN127 compliance and hot-dip galvanized surface treatment.
The Port of Barcelona's cranes, dock structures, and warehousing facilities operate in highly corrosive marine environments. Hot-dip galvanized spring washers and flat washers provide the corrosion protection needed for reliable long-term performance.
Catalonia's solar energy expansion sees spring washers used in photovoltaic mounting frames and racking systems, where vibration resistance and weather-proof surface finishes are critical for 25+ year service life.
Barcelona's skyline continues to evolve with commercial towers and mixed-use developments using structural bolted connections per EN 14399, where spring washers ensure proper preload and vibration resistance in steel frame joints.
Ningbo Zhongli Bolts Manufacturing Co., Ltd., founded in 2003, is a professional manufacturer of high-strength fasteners in different specifications for various models. The company covers an area of about 10,000 square meters, with a registered capital of 1,500,000 RMB and a total annual productivity of 8,000 tons per year. The company has set up several sales branches in different provinces in China.
Meanwhile, the company's products are exported to Europe, USA, Middle East, Africa, Southeast Asia and other regions. The company has strong technical ability, complete testing equipment and a variety of fully automatic multi-station cold and hot heading machines, so as to provide you with reliable and high-quality products.
Through scientific management, Ningbo Zhongli Bolts Manufacturing Co., Ltd. obtained the ISO 9001 certificate of Quality Management System. We have also passed EN 15048, EN 14399, AD2000 and CE certificates, ensuring our products meet the strictest European standards required by the Barcelona and Spanish markets.
Read More About Us
Our main products under the ZYL brand include structural hex bolts ASTM A325 type 1, A490, hex head bolts DIN931, DIN933, EN14399, DIN6914, ISO4014, ISO4017 Gr8.8 Gr10.9 Gr12.9, ANSI B18.2.1 UNC and UNF Gr5, Gr8, fine pitch hex bolts DIN960, DIN961 Gr8.8 Gr10.9 Gr12.9, hex socket cap screws DIN912, ISO4762 Gr8.8 Gr10.9 Gr12.9 with surface Black, Zinc plated, Hot dip galvanized. Diameters from M10 to M48, length no limited. Hex Flange bolts DIN6921 Gr8.8 Gr10.9 with serration, thread rod A193 B7 long sizes and short sizes with 2H nuts, stud bolts. We also supply hex nuts DIN934, DIN6915, plain washers DIN125, DIN126, DIN6916, spring washers DIN127 with Black, Zinc plated and Hot dip galvanized surface.
Our physical and mechanical test results can reach ISO 898-1 for bolts and ISO 898-2 for nuts.
We hope to establish business relationships with partners all over the world, and our business can bring mutual benefits for both parties.
Every spring washer and flat washer supplied to Barcelona undergoes a rigorous 8-step manufacturing and quality assurance process.
State-of-the-art cold forging, hot forging, and heat treatment facilities ensuring consistent quality for every Barcelona shipment.
A Professional Sales and Technical Team with More Than 20 Years History.
We Have Our Own Testing Equipment and Laboratory — Initial, Patrol, and Final Inspection.
Our Factory Has Its Own Cold Forged, Hot Forged, and Heat Treatment Equipment.
Standard Fasteners in Stock. Non-standard Fasteners Can Be Customized to Your Spec.
ISO 9001, EN 15048, EN 14399, AD2000 and CE Certificates — Fully EU Compliant.
Stud Bolts Supplier A193 B7 black
Hex Nuts all series
Hexagon Socket Head Cap Screws DIN 912 12.9 black
Flat washer spring washer Zn galvanized black
High-strength Hex head bolts Gr8.8 10.9 12.9
Hex Bolt DIN931 grade 8.8 zinc plated
Hexagon Head bolt UNC UNF GR5 GR8
Heavy Hexagon-head bolts ASTM A325
ASTM A193 B7 Stud Bolt, Threaded bars 12ft
Hexagonal socket cap screws/bolts full series
Zinc plated high strength Hex bolts full series
We hope to establish business relationships with partners all over the world, and our business can bring mutual benefits for both parties.
EN 15048 CE Certification · EN14399 CE Certification · ISO9001 Certificate
Grasp first-hand information — what our global clients say about Zhongli Bolts.
DIN127 Spring Washers and DIN125 Flat Washers — zinc plated, galvanized, black finish — ready for the Barcelona and Spanish market.
Plain Lock Washer — Flat Washer DIN126 DIN125 Zinc Plated · Barcelona Supply
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Large Galvanized Washers — Flat Washer DIN126 DIN125 Zinc Plated · Barcelona Project
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Galvanized Lock Washer — Flat Washers DIN125, Spring Washer DIN127 · Barcelona Export
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Spring Washer Supplier — Flat Washers DIN125, Spring Washer DIN127 · Barcelona Market
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DIN127 Plain Washer Factory — Flat Washers DIN125, Spring Washer DIN127 · Barcelona Industrial
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Galvanized Steel Washer Factory — Flat Washers DIN125, Spring Washer DIN127 · Barcelona Construction
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Metal Lock Washer Factory — Flat Washers DIN125, Spring Washer DIN127 · Barcelona Fasteners
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DIN127 Spring Washer Plain Factory — Flat Washers DIN125, Spring Washer DIN127 · Barcelona
View Details →Contact Zhongli Bolts today for competitive pricing, free samples, and fast delivery to Barcelona and across Spain. ISO 9001 certified, CE compliant, DIN standard guaranteed.
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