- Ningbo Zhongli bolts manufacturing Co., Ltd. +86-574-86587617
- tan@nbzyl.com
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Precision-engineered double end studs and threaded rods compliant with DIN, ASTM and ISO standards — ideal for Polish industrial procurement.
Carbon Steel Double-Ended Threaded Rod — for Poland Construction & Infrastructure Projects
Headless Double Threaded Studs — Widely Used in Polish Automotive & Machinery Sectors
Stud Bolt A193 Gr B7 — Compliant with Polish & EU Petrochemical Industry Standards
ASTM A193 B16 L7 Stud Bolts — Trusted by Poland Energy & Power Generation Plants
Poland is one of Central Europe's fastest-growing industrial economies. Understanding the local landscape helps us deliver fastener solutions that perfectly match Polish market demands.
Poland ranks as the 6th largest economy in the EU with a robust manufacturing base. Key industries including automotive, construction, energy, and heavy machinery drive consistent demand for high-quality double end studs and threaded fasteners. Major industrial hubs such as Warsaw, Kraków, Wrocław, Poznań, and Łódź house thousands of manufacturing facilities that rely on precision fasteners daily.
Poland is home to major automotive plants including Volkswagen, Toyota, Fiat, and Opel assembly lines. Double end studs are critical components in engine assembly, suspension systems, and chassis fabrication. The Polish automotive sector produces over 500,000 vehicles annually, creating substantial demand for precision-threaded fasteners meeting DIN and ASTM standards.
Poland is actively transitioning its energy infrastructure, investing heavily in wind farms, natural gas pipelines, and modernizing coal power plants. Stud bolts such as ASTM A193 B7 and B16 grades are extensively used in flange connections, pressure vessels, and pipeline systems throughout Poland's energy sector — requiring reliable China suppliers with competitive pricing.
Poland's construction industry is booming, fueled by EU structural funds and national infrastructure programs. Double end threaded rods are widely used in structural steel connections, concrete anchoring, and bridge construction. Projects like the Via Carpatia highway and Baltic Pipe expansion rely on high-strength fasteners meeting EN14399 and DIN976 standards.
Poland's machinery manufacturing sector is a major exporter within the EU. Industrial equipment manufacturers in Silesia and Greater Poland regions require M12 to M56 double end studs for assembly of pumps, compressors, industrial presses, and agricultural machinery. Custom specifications and non-standard fasteners are increasingly in demand.
Poland imports significant volumes of fasteners from China, benefiting from cost-effective pricing without compromising quality. Polish buyers increasingly seek suppliers with CE certification, ISO9001 compliance, and the ability to provide mill test reports. Zhongli Bolts meets all these requirements, offering competitive pricing with full traceability documentation for the Polish market.
The fastener industry serving Poland and the broader European market is evolving rapidly. Here are the key trends shaping procurement decisions.
Ningbo Zhongli Bolts Manufacturing Co., Ltd. founded in 2003, is a professional manufacturer of high-strength fasteners in different specifications for various models, which covers an area of about 10,000 square meters, registered capital of 1,500,000 RMB, with the 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.
For Polish buyers, we offer dedicated support including Polish-language product documentation upon request, EU-standard compliance reports, and flexible MOQ arrangements tailored to the Central European market.
Read More About UsOur main products — ZYL brand fasteners — 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 can 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 to ISO898-1 for bolts and ISO898-2 for nuts.
Through scientific management, Ningbo Zhongli Bolts Manufacturing Co., Ltd. obtained ISO9001 certificate of Quality Management System. Quality is the most important for us. We have strict production and inspection equipment to support this point.
We hope to establish business relationship with all over the world, and our business can bring in mutual benefits for both parties.
Best-selling fastener products trusted by customers in Poland and across Europe.
Every double end stud undergoes a rigorous 8-step manufacturing process — ensuring consistent quality for Polish and European buyers.
Our 10,000 sqm facility is equipped with fully automatic multi-station cold and hot heading machines, heat treatment lines, and precision thread rolling equipment.
Why Polish buyers choose Ningbo Zhongli Bolts as their preferred China fastener supplier.
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 for Polish OEMs.
ISO 9001, EN 15048, EN 14399, AD2000 and CE Certified — Fully EU Compliant.
We hope to establish business relationships worldwide, and our business can bring mutual benefits for both parties.
We Can Design Packaging According to the Requirements of Each Customer.
We Supply Samples for Free.
Delivery Time Will Be According to Customer's Request.
Fast reply through email tan@nbzyl.com or WeChat and WhatsApp: 008615257861940.
Our supplied goods will be according to all kinds of standards such as DIN, ANSI, GB etc.
We Offer Very Competitive Prices with Our Small Profits.
EN 15048 CE Certification · EN14399 CE Certification · ISO9001 Certificate · AD2000 · Fully compliant with EU and Polish market requirements.
Grasp first-hand information — what our global customers, including European and Polish buyers, say about Zhongli Bolts.
Whether you are a Polish distributor, construction contractor, automotive manufacturer, or industrial equipment maker — Ningbo Zhongli Bolts is your reliable China-based double end stud supplier. We offer competitive factory pricing, CE-certified products, flexible MOQ, and fast global shipping to Poland and all EU countries. Contact us today for a free quote and samples.
Explore our extended range of threaded studs, stud bolts and threaded rods — all available for export to Poland and the EU market.
Carbon Steel Double-Ended Threaded Rod — Poland Construction Projects
Headless Double Threaded Studs — Poland Automotive & Machinery
Stud Bolt A193 Gr B7 — Poland Petrochemical & Energy
ASTM A193 B16 L7 Stud Bolts — Poland Power Generation
Metal M16 Threaded Rod Double End — Poland Infrastructure
M56 Threaded Rod DIN976 — Poland Heavy Industry & Shipbuilding
Double End Threaded Stud Bolts — Trusted Poland Supplier
Stud Bolt M12 — Poland Manufacturing & Assembly Lines
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