Premium Malleable Iron
Pipe Fittings
Trusted by over 100 countries. Engineered for safety, durability, and seamless integration in fire protection, water supply, gas, and industrial piping systems.
This page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.
Trusted by over 100 countries. Engineered for safety, durability, and seamless integration in fire protection, water supply, gas, and industrial piping systems.
Founded in 1982, Jianzhi is a leading manufacturer and supplier of cast iron pipe fittings. With approximately 4,500 employees and over 350 technical engineers, we serve distributors in more than 100 countries worldwide.
As a standing member of the China Foundry Association, Jianzhi is committed to promoting the development of the pipe fittings industry by delivering premium malleable iron and grooved pipe fittings that ensure the safety of every pipeline system.
Learn MoreHigh-quality malleable iron and grooved pipe fittings designed for durability, high-pressure resistance, and seamless compatibility across residential, commercial, and industrial applications.
Galvanized malleable iron elbow for standard pipe connections. Ideal for water, gas, and heating systems.
Three-way connection fitting with equal ports. Suitable for branching pipelines in fire protection systems.
Socket fitting with partial threading for secure pipe joining. Used in water supply and industrial pipelines.
Grooved rigid coupling for high-pressure systems. Ensures leak-proof connections in fire sprinkler lines.
Black iron elbow for industrial gas and oil pipelines. Offers high corrosion resistance and strength.
Black malleable iron tee for heavy-duty applications. Commonly used in oil and gas transmission systems.
Black socket fitting with threaded ends. Designed for secure, long-lasting connections in harsh environments.
Grooved mechanical tee for branch line installation. Enables quick assembly without welding or threading.
Our commitment to quality, innovation, and customer support makes us a trusted partner in the global pipe fittings industry.
Certified by FM, UL, TUV, CE, SGS. 99.96% qualified rate and 1 in 440,000 return rate ensure unmatched reliability.
Guaranteed delivery within 35 days. Global logistics network ensures timely shipment to over 100 countries.
Clear dealer protection clauses and transparent pricing models ensure long-term profitability for partners.
Get answers to common inquiries about our products and services.
NPT (National Pipe Taper) is a U.S. standard for tapered threads used in pipe fittings. NGT (National Gas Taper) is similar but specifically designed for gas lines. Both ensure tight seals but differ in thread angle and application standards.
We provide Mill Test Certificates (MTC) with heat numbers and pressure ratings for every batch. Buyers can verify these documents prior to shipment to ensure compliance with project specifications.
Yes. Our malleable iron and grooved fittings meet BSPP, NPT, and other global thread standards, ensuring seamless integration across systems worldwide.
Yes. We provide comprehensive OEM product services including custom branding, packaging, and design modifications to meet specific client requirements.
For inquiries, pricing, or technical support, reach out to us directly through our official website.
Email: sales1@jianzhi-fitting.com
Phone (China): +86 18698027872
Phone (Romania): +40 (755) 011 849
Office (Tianjin): Heping District, Tianjin, China
Production Bases: Chifeng (China), Tangshan (China), Baicoi (Romania)
Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.
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