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Precision Cast Iron & Composite Manufacturing

Xuzhou Rainbow Foundry Co., Ltd. – A trusted leader with over 20 years of experience in producing high-quality cast iron and composite products for domestic and international markets.

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About Rainbow Foundry

Rainbow Group is one of the leading manufacturers in the field of cast iron products and composite products, with over 20 years of experience serving both domestic and global markets.

Our products are sold and highly regarded in more than 20 countries and regions, earning a reputation for durability, precision engineering, and consistent quality.

Corporate Culture

Proud of excellence in quality, service, and innovative management practices.

Brand Overview

Trusted by clients across continents for reliable and long-lasting products.

Enterprise Honor

Certified under ISO9001:2008; third-party quality systems in place since 1997.

Service Guarantee

Full product guarantees with support services ensuring flexibility and accountability.

Our Product Range

High-performance cast iron and composite components engineered for industrial, municipal, and heavy-duty applications.

Castings

Precision Castings

Custom-engineered iron castings for industrial machinery and structural applications.

Circular Covers

Circular Covers

Durable manhole and utility covers designed for urban infrastructure.

Grates

Drainage Grates

Heavy-duty grates for stormwater management and industrial flooring.

Mine Tractor Parts

Mine Tractor Components

Robust cast parts built for mining equipment under extreme conditions.

Lorry-Mounted Crane Girder

Crane Girders

Structural girders for lorry-mounted cranes, precision-cast for strength.

Workshop Equipment

Upper Arm Castings

Critical suspension and linkage components for heavy vehicles.

Custom Composite Parts

Hybrid materials for specialized applications requiring corrosion resistance.

Industrial Manifolds

Complex flow control components for hydraulic and pneumatic systems.

Truck Frame Brackets

Load-bearing brackets for commercial vehicle chassis reinforcement.

Sewer Access Components

Complete systems for safe and efficient underground utility access.

Gear Housings

Precision enclosures for gearboxes in industrial transmission systems.

Heat-Resistant Components

Specialized castings for high-temperature industrial environments.

Why Choose Rainbow Foundry?

Decades of expertise, cutting-edge facilities, and a commitment to quality make us a preferred partner worldwide.

ISO Certified

Accredited to ISO9001:2008 with third-party quality systems since 1997.

Global Reach

Products sold in over 20 countries with strong international reputation.

20+ Years Experience

Proven track record in delivering high-quality cast iron and composite solutions.

Service Guarantee

Full product support with accountability, efficiency, and flexibility.

20+
Years in Business
20+
Countries Served
ISO
9001:2008 Certified
1997
Since Third-Party Audit

Frequently Asked Questions

What materials do you specialize in?

We specialize in cast iron and composite materials, including ductile iron, gray iron, and hybrid composites for specialized applications.

Are your products certified?

Yes, we are accredited to ISO9001:2008 and have maintained third-party quality systems since 1997.

Do you offer custom casting services?

Yes, we provide OEM and custom casting solutions based on technical drawings and specifications.

What industries do you serve?

We serve mining, construction, transportation, municipal infrastructure, and industrial machinery sectors.

How can I request a quote?

Please visit the official Rainbow Foundry website to submit your inquiry or contact details for a customized quote.

Get in Touch

For inquiries, quotes, or technical support, please reach out through the official Rainbow Foundry channels.

Contact Information

  • B-10-01, No 30 Fengming Road, Xuzhou, 221008, China
  • +86 516 8336 0218
  • Fax: +86 516 8336 0228
  • sales@rainbowfoundry.com
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