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Trusted Original Producer of Advanced Hydraulic Fittings!

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Who We Are?

Yuhuan Hongqian Machinery Co., Ltd. is a premier leader in precision hardware and CNC machining with more than 9 years experience. We specialize in the bespoke manufacturing of non-standard pipe fittings, operating a state-of-the-art facility equipped with over 80 advanced CNC lathes and automated truss robots.

Our engineering expertise spans a comprehensive range of materials, including high-grade stainless steel, brass, and carbon steel. By leveraging deep material science insights alongside rigorous internal quality control protocols, we consistently achieve precision tolerances of ±0.02mm. Our products are successfully exported to diverse international markets, including Europe, the United States, Russia, Australia, Southeast Asia, and the Middle East. As a dedicated professional in custom pipe fitting solutions, we have built a solid reputation for transforming complex technical drawings into high-performance components with maximum efficiency and uncompromising structural integrity.

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200+

Our Clients

60+

CNC lathes

300+

Pipe fittings

30+

workers

Why Choose Us

Get The Best Services

As a leading pipe fitting manufacturer, Hongqian offers a comprehensive suite of premium services beyond production. We supply carbon and stainless steel fittings and partner with clients to engineer bespoke solutions that perfectly fit their unique operational requirements.

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Customized Solutions

We offer carbon steel pipe fittings and stainless steel pipe fittings designed to meet specific customer requirements. Our team works closely with clients to provide bespoke solutions that fit their unique applications and operational needs.

Material Expertise

We work with a wide range of high-grade metals, including various types of Stainless Steel, Carbon Steel, and Alloy Steel pipe fittings. Our processing techniques ensure optimal durability and performance for heavy-duty industrial applications.

Precision Threading

Expertly manufacturing a full range of international threaded fittings, including NPT, NPTF, BSPP, BSPT, Metric, UNF, TR, RP, RC, UNS, and more. Our precision engineering ensures perfect sealing and reliability for every connection.

Heat Treatment

We provide professional heat treatment services to optimize material properties. Our expertise includes annealing, quenching, and tempering to achieve precise hardness requirements (HRC, HB, etc.). We ensure consistent structural integrity and durability for carbon and alloy steel components based on your technical specs.

Surface Finishing

We offer tailored surface treatments for both carbon and stainless steel, including zinc plating, black oxide, polishing, passivation, anodizing, powder coating, etc. Our finishes are engineered to maximize corrosion resistance and enhance aesthetic appearance for demanding industrial applications.

Quality Assurance

Strict quality control is integrated into every stage of production. From raw material inspection to final precision testing, we guarantee that every custom cnc lathe part and threaded pipe fitting meets your exact specifications. Our rigorous standards ensure that all industrial pipe components deliver reliable performance in high-pressure applications.

The Leading pipe fittings Supplier to Rocket Your Business

Hongqian is a professional factory of carbon steel pipe fittings and stainless steel pipe fittings ,and custom cnc turning products, with over 20 years of experience delivering high-quality, customized, and cost-effective hydraulic components. We prioritize competitive pricing while maintaining strict quality standards through rigorous product testing and continuous skill development for our workers, ensuring unparalleled quality and service. Contact us today to request a free sample and learn more about our solutions.

Construction

The construction and heavy machinery industry relies heavily on hydraulic systems to power equipment used in demanding environments.

Excavators and Backhoes: Essential for the movement of hydraulic cylinders in digging and lifting operations.

Bulldozers: Ensure hydraulic blade movements remain smooth and precise under high-pressure conditions.

Cranes and Hoists: Support load-bearing hydraulic systems for safe and efficient lifting operations.

Concrete Pumps: Facilitate the transfer of high-pressure hydraulic fluid, ensuring consistent concrete flow.

Agriculture

From planting and harvesting to irrigation and soil management, hydraulic fittings ensure that machinery operates smoothly, minimizing downtime and enhancing productivity in agricultural operations.

Tractors: Provide seamless connections for hydraulic steering, lifting, and other auxiliary systems.

Combine Harvesters: Ensure precise hydraulic control for harvesting mechanisms like cutting blades and augers.

Irrigation Systems: Maintain consistent pressure and flow in pivot and drip irrigation setups.

Balers and Wrappers: Support hydraulic systems for efficient hay baling and wrapping processes.

Oil and Gas

Hydraulic fittings in this industry are designed to handle high-pressure fluids, resist corrosion from harsh chemicals, and ensure reliability in critical operations where downtime can be extremely costly.

Oil Rigs: Provide robust connections for hydraulic systems used in drilling and lifting operations.

Pipeline Systems: Enable leak-free and high-pressure flow in pipeline construction and maintenance.

Offshore Platforms: Resist corrosion in hydraulic systems exposed to saltwater environments.

Fracturing Equipment: Deliver durability and reliability in hydraulic systems for shale gas extraction.

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The Leading pipe fittings Supplier to Rocket Your Business

Hongqian is a professional manufacturer of hydraulic hoses, fittings, and related products, with over 20 years of experience delivering high-quality, customized, and cost-effective hydraulic components. We prioritize competitive pricing while maintaining strict quality standards through rigorous product testing and continuous skill development for our workers, ensuring unparalleled quality and service. Contact us today to request a free sample and learn more about our solutions.

Carbon steel pipe fittings

With ample storage space, we ensure that our hydraulic fittings, hoses, and related products are readily available for dispatch. Our streamlined logistics system enables us to handle both small and bulk orders with speed and accuracy, ensuring your products arrive on time.

stainless steel pipe fittings

With ample storage space, we ensure that our hydraulic fittings, hoses, and related products are readily available for dispatch. Our streamlined logistics system enables us to handle both small and bulk orders with speed and accuracy, ensuring your products arrive on time.

Bulkhead fittings

With ample storage space, we ensure that our hydraulic fittings, hoses, and related products are readily available for dispatch. Our streamlined logistics system enables us to handle both small and bulk orders with speed and accuracy, ensuring your products arrive on time.

stainless steel water manifold

With ample storage space, we ensure that our hydraulic fittings, hoses, and related products are readily available for dispatch. Our streamlined logistics system enables us to handle both small and bulk orders with speed and accuracy, ensuring your products arrive on time.

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Common Questions

Most Popular Questions.

 
Here, you’ll find answers to common questions about our products/services. If you can’t find what you’re looking for, feel free to reach out to us directly for further assistance.
Are You A Manufacturer Or A Trading Company ?

We are originial manufacturer provide oem cnc turning service and Located in Zhejiang, China, our facility is equipped with advanced CNC turning machines and precision inspection equipment to control both quality and cost from the source. .

We work with a wide range of metal materials to meet various industrial standards. Our major materials include carbon steel , stainless steel , aluminum , brass etc .

To send you an accurate quotation, please provide your 2D/3D technical drawings (in STEP, IGES, PDF, or CAD format) along with your estimated order quantity and material requirements. Usually, our engineering team will evaluate the details and provide a competitive quote within 24 hours.

Yes, we highly recommend prototyping and sample testing before placing bulk orders. We can provide custom pipe fittings samples according to your specifications to verify the dimensions, thread standards (such as NPT, BSP,Metric), and tolerances. Sample lead time is typically 10 working days.

As a custom pipe fittings supplier, our moq is 2000pcs .However, because CNC turning involves machine setup, programming, and tooling costs, larger order quantities will significantly lower the unit price. Please send us your project details, and we will find the most cost-effective production plan for you.

We have extensive experience in machining various international thread standards with perfect precision to ensure leak-free connections. Our production capabilities include:

  • Tapered Pipe Threads: NPT (American National Standard Pipe Thread) and BSPT (British Standard Pipe Taper / PT / R threads), widely used in high-pressure hydraulic systems.

  • Parallel/Straight Pipe Threads: BSPP (British Standard Pipe Parallel / G threads) and Metric parallel threads, ideal for plumbing and water manifold systems.

  • Machine & Bolt Threads: Metric (M) threads, UNC/UNF (Unified Coarse/Fine) threads, and BSW (British Standard Whitworth).

Every single batch of threaded fittings undergoes 99% inspection using professional Go/No-Go thread plug gauges and ring gauges to guarantee consistent pitch, depth, and a perfect seal for your industrial applications.

Yes. For every batch of production, we trace and provide the original raw material test reports (Mill Test Certificates) directly from our steel suppliers. Additionally, we use our in-house spectrometer for PMI (Positive Material Identification) testing before and during production to verify the exact chemical composition. We can supply both the supplier’s material certificates and our spectrometer test data upon request to ensure material compliance.

Yes, we do. Depending on your material and specification requirements, we can perform hardness testing and supply the corresponding reports. We routinely measure and certify hardness using standard scales such as Brinell (HB) or Rockwell (HRC), ensuring the fittings possess the exact structural integrity and machinability required for your application.

Yes. We offer high-precision laser marking services for custom branding, part numbers, size specifications, thread types (such as NPT or BSP), and batch tracking numbers. The laser engraving is crisp, permanent, and highly resistant to corrosion or wear, ensuring clear identification throughout the lifecycle of the fitting.

To prevent oxidation and extend the service life of carbon steel products, we provide several industrial-grade surface treatments, as follow is some normal surface treatment :

  • Zinc Plating (Electro-galvanizing): Available in clear/white, yellow, or black zinc. Provides solid rust protection for standard industrial environments.
  • Black Oxide (Bluing): Adds a sleek black finish with mild corrosion resistance and excellent dimensional stability (adds zero thickness to threads).
  • Anti-Rust Oil / Light Oiling: A temporary protective coating applied immediately after CNC machining to safeguard the parts during transit and storage.it ensures around more than 5 years no rusts.
  • Phosphating (Manganese or Zinc Phosphating): Creates a porous, salt-spray-resistant layer that improves anti-friction properties and serves as an excellent primer for painting.

For stainless steel components, our surface treatments focus on maximizing corrosion resistance and achieving the desired surface roughness (Ra):

Pickling and Passivation: A chemical treatment that removes surface contaminants (like free iron) and restores the chromium oxide passive layer, drastically improving rust resistance.

Electropolishing: An electrochemical process that ultra-smooths the surface, reducing surface roughness (Ra), removing micro-burrs, and creating a high-gloss, pristine finish that prevents bacterial or chemical buildup.

Shot Blasting / Bead Blasting: Uses fine media to create a clean, uniform, non-reflective matte finish while masking minor machining lines.

Mechanical Polishing: Brushed or mirror-polished finishes tailored for architectural, food-grade, or sanitary application requirements.

About us

We specialize in the manufacturing of precision machined custom cnc pipe fittings using a variety of materials including carbon steel, stainless steel, aluminum, and brass.

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  • laurachen375@gmail.com
  • 0576-80769175
  • Phone :0086-18357673956
  • damixi ,longxi ,yuhuan ,zhejiang province .
  • yuhuan hongqian machinery .,ltd