Shijiazhuang Donghuan Malleable Iron Technology Co., Ltd.
Premium Industrial Hose & Pipe Fittings
Strength, Durability & Precision
Heavy Duty Double Bolt Clamp: Secure, durable, corrosion-resistant, high tension, leak-proof, easy installation.
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Precision Pipe & Hose Solutions for Specialized Applications
Your Industry, Our Expertise
Tube Clamps Fittings:High efficiency, stable operation;Durable material, easy maintenance;Fast response, low energy consumption.
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Trusted Industrial Hose & Pipe Fittings Manufacturer
Since 1986 | SDH
Conduit bodies:Efficient, stable, and energy-saving with durable materials, easy operation, high precision, and fast response.
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Premium Industrial Hose & Pipe Fittings – Strength, Durability & Precision
High-quality double bolt clamps, air hose couplings & malleable iron pipe fittings manufacturer. 40+ years expertise in industrial pipe connections. Global supplier with precision engineering & durable solutions.
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Shijiazhuang Donghuan Malleable Iron Technology Co.,ltd supplys a comprehensive range of Industrial Hose & Pipe Fittings, including hose couplings, clamps, malleable iron pipe fittings, tube clamps fittings, steam couplings,camlock couplings, stainless steel fittings, valves and more. Our products are precision-engineered for durability, leak-proof performance and compatibility with global standards, serving industrial applications worldwide.

Our Industrial Hose & Pipe Fittings are tailored to meet the unique demands of industries including Oil & Gas, Chemical, Construction, HVAC and Marine,  ensuring safety and efficiency in every operation.

industrial hose pipe fittings in Industrial Manufacturing

Our pipe fittings, camlock couplings and air hoses serve agricultural irrigation, pesticide spraying and water transfer. Featuring tight sealing and quick connection, they withstand harsh outdoor farm conditions to boost field operation efficiency.


industrial hose pipe fittings in construction & infrastructure

Our malleable iron fittings, quick couplings and industrial hoses meet construction demands. Dependable sealing and sturdy structure support water delivery and pneumatic equipment on building sites.


industrial hose pipe fittings in agriculture & garden irrigation

SDH cast pipe fittings, camlock couplings and hoses support safe transfer of chemicals, solvents and corrosive media. Reliable leak-proof connections and corrosion resistance secure continuous operation in chemical processing plants.


industrial hose pipe fittings in municipal sanitation equipment

SDH pipe fittings, camlock couplings and industrial hoses are applied in oil and gas transportation. Superior tight sealing and pressure resistance guarantee stable fluid delivery for on-site extraction, transmission and refinery systems.


industrial hose pipe fittings in mining construction machinery

SDH malleable pipe fittings, couplings and connecting hoses are widely used in HVAC systems. Excellent sealing performance ensures stable circulation of water and air, supporting reliable operation of heating, ventilation and air conditioning facilities.


industrial hose pipe fittings in marine vessel equipment

SDH malleable pipe fittings, couplings and connecting hoses are widely used in HVAC systems. Excellent sealing performance ensures stable circulation of water and air, supporting reliable operation of heating, ventilation and air conditioning facilities.



Custom Industrial Hose & Pipe Fittings | OEM & ODM Services at SDH

SDH provides full OEM & ODM services for Industrial Hose & Pipe Fittings, from custom design and material selection to packaging and branding, meeting your unique project requirements with 40+ years of manufacturing expertise.

  • Custom Size & Specification

    Our engineers tailor non-standard pipe diameters and thread types to perfectly fit your unique pipeline installation conditions.

  • Custom Material & Surface Treatment

    Offer malleable iron, ductile iron, stainless steel and carbon steel with galvanized coating to meet anti-corrosion and pressure needs.

  • OEM & ODM Brand Customization

    Support engraving customer logos and custom packages, supplying one-stop labeled products for overseas and project buyers.

  • Small-Batch Sample Customization

    Accept low minimum orders, produce test samples rapidly and shorten mold cycles to satisfy your trial order demands.

Why Choose SDH as Your Industrial Hose & Pipe Fittings Supplier
Manufacturer of High-Quality Industrial Hose & Pipe Fittings Since 1986

Our company located in the malleable iron zone of Shijiazhuang City. We have been handling Malleable Iron Pipe Fittings for over 30 years, having an annual output of more than 4000 tons mainly in British Standard, American Standard and Din Standard.We are the first manufactory which used the electric stove to melt the iron,which make the material be exactness.All our products have been produced by our electric stove.  

Why Choose SDH as Your Industrial Hose & Pipe Fittings Supplier

 Our main products are "SDH" and "ge" brand galvanized and black malleable iron pipe fittings which is top quality production, in good semblance.

12000 M²

AREA

4000T

ANNUAL OUTPUT

Industrial Hose & Pipe Fitting Resources
Customer Voices on Our Industrial Hose & Pipe Fittings
Jason
Jason

Products stable with few complaints from my clients, fast shipment and considerate after-sales warranty service.

George
George

Threads precise, galvanized coating anti-rust well; team offers quick tech support for large construction projects.

David
David

Uniform quality for bulk orders, complete specs, fast delivery & reliable warranty service for my retail clients.

Need High-Performance Industrial Hose & Pipe Fittings?
Reach out to discuss industrial hose & pipe fittings solutions for your business needs.
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The 129th Canton Fair Invitation
Sep 11, 2026
Dear Customers and Friends,Wish you and your family are safe and healthy.Due to the outbreak of COVID-19, the 129th Canton Fair is still on line. Carton Fair is the biggest exhibition in China. It’s ...
Guide to Selecting Hose Fittings: Making Industrial Hose Connections Safer, More Stable, and More Durable
Sep 09, 2026
Hose couplings are very important connecting components in industrial pipeline systems, commonly used in scenarios involving the transportation of compressed air, water, oil, powders, slurries, and ge...
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