Mingli Spring
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Mingli Spring
Specialized in custom springs, die springs, spring wire, and precision stamping parts. Trusted by 600+ clients worldwide.
Ningbo Mingli Spring Co., Ltd. is located in East-Cixi Industrial Zone, Ningbo, China. We are a leading manufacturer specializing in custom springs, die springs, spring wire, and precision stamping parts.
With a plant area of 36,000 m² and over 30 million RMB invested in CNC spring machinery, our daily production capacity reaches 40 million units, and our annual output exceeds 2 billion RMB.
High-precision springs and components for automotive, electronics, refrigeration, and industrial applications.
High-tensile carbon steel and alloy steel wire. Annual capacity: 12,000+ tons.
Fully customized compression, extension, and torsion springs based on your drawings or samples.
High-load die springs for injection molds and stamping dies.
Curved tube springs used in pressure gauges and control systems.
Conical compression springs with variable rate and high stability.
High-strength extension springs with hooks or loops for industrial use.
Metal stamping components for automotive and electronics.
Heavy-duty red die spring for high-load mold applications.
Over 30 million RMB invested in CNC spring machines. 40 million daily production capacity with strict process control.
ISO9001 & IATF16949 certified. In-house testing lab with advanced inspection equipment for 100% quality control.
Located just 40 km from Ningbo Port – efficient logistics to Europe, Americas, and Southeast Asia.
Strong engineering team for OEM/ODM projects. Develop springs from your drawings, samples, or specs.
Direct factory pricing with 4 in-house CNC workshops – no middlemen, better value.
Sales and engineering teams work together to ensure your satisfaction from design to delivery.
We use carbon steel (65Mn, 70#), stainless steel (304, 316), alloy steel, phosphor bronze, and other high-tensile materials based on application requirements.
Yes, we offer full OEM/ODM services. Send us your drawings, samples, or specifications and our engineering team will provide a quote and prototype.
We are flexible and can accommodate small trial orders as well as large-scale production. MOQ depends on product complexity.
We conduct inspections at every production stage and final testing in our in-house lab. All products comply with ISO standards.
We are certified under ISO9001 and ISO/IATF16949. We are also a director member of three Chinese spring associations.
Need a custom spring solution? Contact our engineering team for expert support.
+86-13454743466
+86-0574-63770037
+86-0574-58987768
NO.800 Haifeng Road, East-Cixi Industrial Zone, Cixi City, Ningbo, China
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