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Precision Ring Dies & Molds

Engineered for maximum efficiency in feed, biomass, organic fertilizer, and cat litter pellet production. Trusted by global manufacturers since 2012.

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About Happy Mould

Hangzhou Hanpai Mould Technology Co., Ltd., established in 2012, is a council member of the Zhejiang Die & Mould Industry Association and an audited supplier by SGS. We specialize in the R&D and manufacturing of high-performance pellet mill machine parts, including ring dies, roller shells, and custom molds.

Certified with ISO 9001 and recognized as a Hangzhou High-Tech Enterprise in 2017, we are committed to delivering zero-defect products. Our advanced production line features CNC deep hole drilling, vacuum quenching furnaces, and high-quality X46Cr13 stainless steel to ensure durability and efficiency.

10-40%
Increased Production Efficiency
10-40%
Reduced Production Cost
13+
Years of Expertise
Happy Mould Factory

Our Product Range

High-precision, durable, and customizable pellet mill components designed for optimal performance across industries.

Feed Mechanical Ring Die

Feed Mechanical Ring Die

High-wear resistance die for feed pellet production. Ideal for broiler, piglet, shrimp, and fish pellets.

  • • Material: X46Cr13 Stainless Steel
  • • Precision CNC Drilled Holes
  • • Uniform Hardness & Long Lifespan
Cat Litter Making Ring Die

Cat Litter Making Ring Die

Engineered for consistent granulation of natural cat litter. Resists clogging and ensures smooth output.

  • • Anti-Corrosion Coating
  • • Optimized Hole Pattern
  • • Suitable for Wood & Paper Fibers
Organic Fertilizer Pellets Mill Die

Organic Fertilizer Pellets Mill Die

Designed for high-moisture organic matter. Ensures uniform pellet size and high throughput.

  • • Deep Hole Design
  • • Enhanced Cooling Properties
  • • Compatible with Compost & Manure
Biomass Wood Pellet Mill Die

Biomass Wood Pellet Mill Die

High-density die for wood, bamboo, and sawdust pellets. Maximizes output and minimizes wear.

  • • Vacuum Quenched for Strength
  • • High Compression Ratio
  • • Ideal for Pine & Hardwood
Roller Shell

Roller Shell

Durable press roll shell with uniform hardness. Pairs perfectly with Happy Mould ring dies.

  • • Through Groove & Skewed Tooth Options
  • • Special Heat Treatment
  • • Extended Service Life
Custom Ring Mold

Custom Ring Mold

Tailored dies for fish, shrimp, ruminant, rabbit, and duck feed. Custom hole size and layout.

  • • OEM/ODM Supported
  • • Fast Prototyping
  • • Global Shipping
Zhengchang 420D Die

Zhengchang 420D Pellet Mill Die

Compatible with Zhengchang machinery. High-precision fit and optimized for long-term use.

  • • OEM Replacement
  • • CNC-Machined Accuracy
  • • Immediate Availability
Andritz 520 Screw Die

Andritz 520 Screw Type Pellet Mill Die

Designed for Andritz pellet mills. High torque resistance and stable granulation.

  • • Screw-Type Design
  • • High Load Capacity
  • • Precision Thread Matching
Flat Die for Small Mills

Biomass Flat Die

Compact flat die for small-scale wood and biofuel pellet production.

  • • Ideal for Home & Farm Use
  • • Easy Installation
  • • Durable & Low Maintenance
Hoop Reinforcement Ring

Hoop (Reinforcement Ring)

Support ring for large diameter dies. Prevents deformation under high pressure.

  • • High Tensile Strength
  • • Precision Fit
  • • Extends Die Life
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Why Choose Happy Mould?

Reliable Quality

Every product undergoes strict inspection. ISO 9001 certified with zero-defect commitment.

Design & Customization

Professional design team with strong independent R&D capabilities. Full OEM/ODM support.

After-Sales Support

Technical support and resupply services. We stand behind every product we ship.

Applications Across Industries

Our dies are engineered for diverse pelletizing needs.

🌾
Feed Pellets
🐾
Cat Litter
♻️
Organic Fertilizer
🌲
Wood Pellets
🦐
Shrimp Feed
🐄
Ruminant Pellets
🐇
Rabbit Pellets
🐷
Pig Pellets
🦆
Duck Pellets
🍚
Rice Husk Pellets
🎋
Bamboo Pellets
🦀
Crab Pellets

Get in Touch

Ready to improve your pellet production efficiency? Contact us today for quotes, technical support, or customization.

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