Specializing in steel pipes, fittings, flanges & MRO products for oil, chemical, and power plants worldwide. ISO-certified supply chain. 24-hour quotation response.
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.
01
Seamless and welded pipes for high-temperature, high-pressure and corrosive environments in oil, gas, chemical and power industries.
View Specifications
02
Butt-weld and threaded fittings – elbows, tees, reducers, caps, stub ends – manufactured to rigorous international standards.
View Specifications
03
Forged flanges including weld neck, slip-on, blind, threaded, lap joint and socket weld – ASME / ANSI / DIN / EN / JIS compliant.
View Specifications
04
Threaded and socket-weld elbows, tees, nipples, couplings, unions, boss fittings and branch outlets for high-pressure service.
View Specifications
05
Carbon, alloy and stainless steel plates, plus structural profiles (H-beam, I-beam, angles, channels) with custom cutting services.
View Specifications
06
Bolts, nuts, gaskets, seal kits, repair clamps, PTFE sheets, silicone balls, pulleys, gauges and more for plant maintenance.
View Specifications
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.