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WHERE THERE IS FITTINGS,
THERE IS YINUO

Weifang Yinuo Casting Co., Ltd. – A leading high-tech manufacturer of ductile iron grooved pipe fittings, fire protection systems, and mechanical connectors since 2001.

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About Weifang Yinuo Casting

Weifang Yinuo Casting Co., Ltd. is a large high-tech enterprise specializing in the development, casting, production, and painting of ductile iron grooved fittings since 2001. Located in Weifang, Shandong Province, China, our facility benefits from convenient access to major transportation routes including the Jinan-Qingdao and Weifang-Laiyang motorways.

With over 30,000 square meters of manufacturing space and an annual production capacity exceeding 30,000 tons, we employ more than 200 skilled professionals, including 10 engineering technicians and 5 senior engineers. Our commitment to innovation and quality has enabled us to export our products to dozens of countries worldwide.

30,000+ Tons
Annual Production Capacity
200+
Employees
Yinuo Casting Factory

Our Product Center

High-quality ductile iron pipe fittings designed for durability, safety, and performance in fire protection, plumbing, and industrial applications.

Mechanical Tee

Mechanical Tee

Available in grooved, threaded, and U-bolts configurations for versatile installation options.

45 Degree Elbow

45° Elbow

Precision-cast ductile iron elbow for smooth directional changes in piping systems.

Coupling

Coupling

Rigid, flexible, and reducing couplings for secure pipe connections.

Flange

Flange

Grooved split flanges and adaptors for reliable joint integrity.

Reducer

Reducer

Grooved and threaded reducers for transitioning between different pipe sizes.

90 Degree Elbow

90° Elbow

Durable 90-degree elbow for right-angle turns in fire sprinkler and plumbing systems.

Tee

Equal Tee

Standard tee fitting for branching pipelines with equal diameter outlets.

Cap

Cap

Threaded and grooved caps for sealing pipe ends securely.

Reducing Tee

Grooved Reducing Tee

Ideal for systems requiring different branch diameters with grooved connections.

22.5 Degree Elbow

22.5° Elbow

Shallow-angle elbow for gentle directional changes in tight spaces.

Cross

Equal Cross

Four-way connector for complex pipeline intersections with uniform diameters.

Flange Adaptor

Flange Adaptor

Connects grooved systems to flanged piping with high-pressure resistance.

Why Choose Yinuo Casting?

Advanced technology, strict quality control, and global compliance ensure superior performance.

Quality Assurance

All products undergo rigorous testing with advanced equipment and international standards compliance.

High Efficiency

Automated molding and electric-furnace smelting ensure consistent quality and fast delivery.

Custom Solutions

We offer OEM and customized services to meet specific project requirements.

Global Reach

Exported to dozens of countries, trusted by contractors and engineers worldwide.

30,000+
Tons Annual Output
200+
Employees
15+
Years Experience
50+
Countries Served

Frequently Asked Questions

Get answers to common inquiries about our products and services.

What materials are your fittings made from?

Our fittings are made from high-quality ductile iron (ASTM A536), known for its strength, durability, and corrosion resistance.

Do you offer custom sizes or designs?

Yes, we provide OEM and customized manufacturing services based on client specifications and drawings.

What certifications do your products have?

Our products comply with international standards such as UL, FM, CE, and ISO 9001:2015 for quality management.

What is the delivery time for orders?

Typical delivery time is 20–30 days after order confirmation, depending on quantity and customization level.

Can I get samples before placing a bulk order?

Yes, we offer sample shipments for evaluation. Contact us directly to request product samples.

Get in Touch

Reach out to us for inquiries, quotes, or technical support.

[email protected]

+86-15165605261

Jiulong Industrial Park, Jiulong Street Office, Fangzi District, Weifang, Shandong, China

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