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CHINA EXCELLENT MACHINERY EQUIPMENT MANUFACTURER

We are a leading provider of piercing mill sets, sizing mill, pilger mill, straightening mill, cold drawing machines, and all related parts and dies for seamless steel pipe production.

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About Wuxi Yunwei Machinery

Wuxi Yunwei Machinery Equipment Co., Ltd is located in Wuxi, one of China's most important light industrial cities. With over 20 years of experience in the machinery and equipment industry, we have evolved into a large modern factory equipped with a 5,000-square-meter workshop and a dedicated team of more than 20 senior technical engineers.

Our company operates a complete set of advanced processing equipment, including large CNC machine tools, gantry machining centers, 6150–61100 lathes, radial drilling machines, sawing machines, drilling machines, and boring machines. We also collaborate with specialized partners for grinding, wire-electrode cutting, and heat treatment to deliver comprehensive solutions to our clients.

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Wuxi Yunwei Machinery Factory
20+
Years Industry Experience
5,000
㎡ Modern Workshop
20+
Senior Engineers

Our Products

We specialize in high-precision machinery and components for seamless steel pipe manufacturing. Explore our full range of products below.

Piercing Mill

Piercing Mill

A two-roller piercing machine used in the most critical process of seamless tube and pipe production. Designed to pierce heated billets into shells of required dimensions.

  • Models: 40/50/60/76/90/100/114/140/180/219/273
  • Materials: Carbon steel, alloy steel
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Piercing Roll

Piercing Roll

Premium-quality rolls built for durability and precision in hot working processes. Ideal for forming thick-walled seamless tubing.

  • Material: High-grade tool steel
  • Application: Piercing Mill
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Piercing Plug

Piercing Plug

High-performance plugs suitable for carbon steel, alloy steel, and stainless steel. Engineered for high-quality seamless pipe production.

  • Materials: 35CrMo, H13, 20CrNi4, Moly plug
  • Size Range: Ф30–Ф500mm
  • Custom Options: With/without moly tips, water jet
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Sizing Mill

Sizing Mill

Ensures precise outer diameter and wall thickness of seamless pipes after piercing. Enhances dimensional accuracy and surface finish.

  • Function: Final sizing of pipes
  • Compatibility: Seamless steel pipe lines
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Straightening Mill

Corrects curvature and improves straightness of steel tubes after rolling. Ensures high precision and consistency in final products.

  • Roll Configuration: Multi-roll system
  • Application: Post-rolling correction
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Pilger Mill

Cold-rolling mill used for reducing the diameter and wall thickness of seamless tubes with high precision and excellent surface quality.

  • Process: Cold rolling
  • Output: High-precision seamless tubes
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Cold Drawing Machine

Used for cold drawing seamless steel tubes to achieve tight tolerances, improved mechanical properties, and superior surface finish.

  • Types: Single and multi-die systems
  • Applications: Precision tubing
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Mill Spare Parts & Dies

Comprehensive range of spare parts and dies for all types of rolling mills. Custom-manufactured for optimal performance and longevity.

  • Includes: Rolls, guides, bearings, dies
  • Customization: Available on request
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Our Factory

Yunwei Factory Interior

Located in Wuxi, Jiangsu Province, our 5,000-square-meter facility is equipped with state-of-the-art machinery and staffed by experienced engineers and technicians. We maintain strict quality control throughout every stage of production.

Our advanced equipment includes large CNC machine tools, gantry machining centers, radial drilling machines, and precision boring systems. We also partner with specialized heat treatment and surface finishing providers to ensure the highest product quality.

We are committed to innovation, efficiency, and customer satisfaction. Our team is ready to support your seamless pipe production needs with reliable, high-performance machinery and components.

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Frequently Asked Questions

What types of steel can your piercing mill handle?

Our piercing mills are designed to process carbon steel, alloy steel, and stainless steel billets efficiently and reliably.

Do you offer custom-designed components?

Yes, we provide full customization for piercing plugs, rolls, and other components based on your specifications and requirements.

What is the standard delivery time for your machines?

Delivery times vary depending on the product and customization level. Typically, it ranges from 30 to 60 days after order confirmation.

Do you provide technical support and installation assistance?

Yes, we offer comprehensive technical support, including installation guidance, operation training, and after-sales service.

Are your products exported internationally?

Yes, we export our machinery and parts to customers worldwide and comply with international quality and safety standards.

Get in Touch

For inquiries, quotes, or technical support, please visit our official website to contact us directly.

Contact Information

+86 189 6153 3368
+86 189 2132 2208
+86 189 2111 5958
LucyJin@yunweimachinery.com
HelenTang@yunweimachinery.com
Building 6#, Yuqi Industrial Park, Longqi Road, Wuxi City, Jiangsu Province, China
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