Ningbo is one of China's three major mold-making hubs, along with Dongguan and Kunshan. The Ningbo mold industry focuses heavily on die-casting dies (for which Ningbo is particularly famous), large injection molds for home appliances and automotive parts, and rubber molds. Ningbo's Beilun District is home to Asia's largest concentration of die-casting die manufacturers. The city's mold industry serves the Yangtze River Delta's massive manufacturing base including Shanghai's automotive and electronics industries.
Key Companies
Ningbo Beilun Precision Mold is one of China's largest die-casting die manufacturers, producing dies for automotive engine blocks, transmission cases, and structural components. Ningbo Best Mold specializes in large injection molds for home appliances (washing machines, refrigerators) up to 30 tons. Ningbo Hwata Mold produces precision injection molds for automotive interior parts and electronic enclosures. Ningbo Feichi Mold specializes in high-pressure die-casting dies for aluminum and magnesium alloys.
Quality Control Points
- For die-casting dies: verify vacuum die-casting capability if porosity is a concern for your components
- Request steel certification: H13 or DIEVAR for die-casting dies, P20 or 718H for injection molds
- Check heat treatment records — vacuum hardening with triple tempering is the standard for premium die-casting dies
- For large injection molds: confirm 5-axis CNC capacity and CMM inspection capability (minimum 3m travel)
- Request the factory's experience with similar parts — portfolio photos and reference letters
- Verify trial equipment availability — the factory should have injection or die-casting machines for sampling
Logistics and Infrastructure
Ningbo Port is one of the world's busiest and best-connected ports, with over 300 container shipping routes to 600+ ports globally. This is a significant advantage for mold export — a 20-foot container of molds can be shipped directly from the factory's door to any major port worldwide without additional trucking to Shanghai or Shenzhen. Ningbo LiShe Airport offers air freight for small, urgent molds. Mold shipping costs from Ningbo are typically 15-20% lower than from Shenzhen.
Buyer's Tip: Ningbo mold makers offer excellent value, particularly for die-casting dies and large injection molds. Mold costs are typically 10-20% higher than Dongguan but include better documentation systems and more reliable delivery. For die-casting dies, Ningbo's expertise is unmatched in China. Be specific about the number of shots you expect: a die-casting die for 100,000 shots uses different materials and design than one for 500,000 shots. Ningbo factories can optimize for either — but not both with the same design.
What This Means for Your Project: Ningbo is the premier destination in China for die-casting dies and the best choice for large injection molds serving the home appliance and automotive industries. For small precision injection molds (< 500g part weight), Dongguan or Shenzhen offer better value. For buyers visiting from Europe or North America, Ningbo's direct port access and better-quality hotels make business trips more productive than to many southern Chinese industrial cities.
MoldKey.com — Your Gateway to China Manufacturing
© 2026 MoldKey. All manufacturing city guides are provided as information references only.