Specializing in steel pipes, fittings, flanges & MRO products for oil, chemical, and power plants worldwide. ISO-certified supply chain. 24-hour quotation response.
您在中国值得信赖的一站式工业供应伙伴
Zhongyan Machinery Co., Ltd. was founded in 2013 and is headquartered near Yanshan County, Hebei – the renowned "Pipe Fitting Base of China". This strategic location gives us direct access to ISO-certified mills and a mature supply chain network for carbon, alloy and stainless steel pipes, fittings, flanges, and forged products.
We go beyond being a simple product supplier — we offer integrated sourcing solutions that consolidate everything from pipes and fittings to fasteners, gaskets, sealing kits, structural steel, pulleys, and plant consumables into a single order, with full documentation support including EN10204 3.1/3.2 and third-party inspection reports.
More industrial products available. Tell us what you need — we'll source it.
更多工业产品可按需采购，欢迎垂询。
01
Seamless and welded pipes for high-temperature, high-pressure and corrosive environments in oil, gas, chemical and power industries.
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02
Butt-weld and threaded fittings – elbows, tees, reducers, caps, stub ends – manufactured to rigorous international standards.
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03
Forged flanges including weld neck, slip-on, blind, threaded, lap joint and socket weld – ASME / ANSI / DIN / EN / JIS compliant.
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04
Threaded and socket-weld elbows, tees, nipples, couplings, unions, boss fittings and branch outlets for high-pressure service.
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05
Carbon, alloy and stainless steel plates, plus structural profiles (H-beam, I-beam, angles, channels) with custom cutting services.
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06
Bolts, nuts, gaskets, seal kits, repair clamps, PTFE sheets, silicone balls, pulleys, gauges and more for plant maintenance.
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07
Carrying rollers, self-aligning idlers, cushion idlers and heavy-duty drums engineered for mining, coal and bulk-material handling.
View SpecificationsThree core advantages that make ZhongYan your smartest sourcing partner in China.
Direct partnerships with ISO-certified mills in China's pipeline equipment base. Every batch fully traceable.
One-stop procurement for steel, fittings, flanges & MRO — across categories, in one consolidated order.
Full inspection reports, EN10204 3.1/3.2 material certificates, and third-party testing (SGS / BV / TÜV).
We consolidate your orders — saving you supplier coordination time and reducing logistics overhead.
Whether you're preparing a tender, urgently need restocking, or planning a large project, we tailor our support to fit your way of working.
For trading clients bidding on oil / chemical / power projects in the Middle East, Pakistan, Southeast Asia and beyond.
For trading companies and direct buyers with recurring requirement lists.
For clients with non-standard products or new category needs.
From factory audit and material traceability to in-process monitoring and pre-shipment inspection, we control every stage. Third-party inspections and complete material certificates come standard with every shipment.
ISO 9001-certified mills, vetted and continuously monitored.
Dimensional checks, NDT, and full visual inspections before release.
MTC / EN10204 3.1/3.2, CO, packing list, third-party reports.
SGS / BV / TÜV inspection on request for full transparency.
Quick answers to the most common questions from international buyers.
Send us your requirement list — categories, specs, quantities, standards. We'll come back within 24 hours with a competitive quotation and clear documentation plan.
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