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    ABOUT US
    Ningbo Superior Machinery

    Established in 1992, SUPERIOR MACHINERY brings over 30 years of specialized expertise to the rubber and plastic molding machinery industry. Guided by our core principles of "Quality First, Reputation Foremost, Sincere Service", we hold a leading market position in high-performance fully hardened screws and vacuum-sintered nickel-based alloy barrels – engineered to....
    • Excellent Quality
      After-sale Guarantee​​​​​​​
    • Professional Spirit
      Professional Quality
    • Popular Trust
      Great Value Enjoyment
    • First-rate Service
      Customer Experience​​​​​​​
    • Price Advantage
      Reasonable Price

    Get To Know Us

    Product Series
    We always focus on industry development, provide qualified service for customers with our excellent technologies, 
    and safeguard customers’ maximum benefit while providing them with latest products.

    Get To Know Us

    FAQ
    We Are Here To Help You With Any Questions You May Have.
    • What about after-sale service?

      - All products will be strictly quality checked before packing.

      - If any dissatisfaction, you’ll get our quick response and solution.

    • How to pay?

      You can pay by L/C, D/A, D/P, T/T, WESTERN UNION, PAYPAL or BANK TRANFER, etc.

    • How to place an order?

      Select item, tell us quantity—confirm details -we quote price —give us shipping address—make proforma invoice for you—make payment .

    • How does your factory control the quality?

      Factory has quick and enthusiastic merchandisers team, strict and responsible QC team,service for many customers all around the world with our high quality products and strict.

    • Can you do design for us ?

      Yes , We do OEM and ODM service.we have good experience to understand what buyers like and arrange development .

    • Are you a manufacturer?

      Yes,SUPERIOR is a professional manufacturer established in 1992. It specialized in designing and producing screws,barrels and various plastic auxiliary equipments.we are providing OEM and ODM.

    About Us

    COMPANY NEWS
    Follow our latest developments and learn more about us.
    夏普瑞尔logo 小.jpg
    Functional Characteristics of Venting Screws
    2026 / 15 / 04

    This section outlines the functional characteristics of venting screws in extrusion. It identifies three main sources of gases in raw materials—entrained air, adsorbed moisture, and internal volatiles—and describes their detrimental effects on product quality and properties. While conventional methods rely on pre-drying or feed-throat venting, these approaches increase costs, risk contamination, and are often insufficient for high-speed extrusion. The text concludes that vented extruders offer superior performance in effectively removing these gases.

    READ MORE
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    Factors in the Economics of Extruder Screw Design
    2026 / 08 / 04

    This article analyzes the economics of extruder screw design, focusing on energy consumption, service life, and manufacturability. It argues that design choices—such as specific energy, screw speed, L/D ratio, and mixing element complexity—must be systematically evaluated from an economic perspective rather than purely technical one.

    READ MORE
    Chinaplas2026海报.jpg
    Ningbo Superior Machinery at Chinaplas 2026
    2026 / 06 / 03

    Welcome to Visit Ningbo Superior Machinery at Chinaplas 2026Ningbo Superior Machinery is pleased to announce our participation in CHINAPLAS 2026, the world’s leading plastics and rubber trade fair. We welcome customers, partners and industry friends from all over the world to visit our booth for fac

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    新春祝福海报.jpg
    2026 Happy Chinese New Year!
    2026 / 10 / 02

    Celebrate the Spring Festival with new hope and endless opportunities!May this brand-new year bring you steady growth, successful cooperation, and prosperous business. Wishing you and your family health, joy, and all the best in everything you do!Ningbo Superior Team

    READ MORE
    Need help? Call our award-winning support team mfgsp@superior-machinery.com
    If you would like to have a question then get in touch today, we are ready to assist 24/7.
    We welcome your cooperation and we will develop with you.

    Quick Links

    Follow Us

     No.6 Xing Ye 3rd Road, Ningbo Free Trade Zone P.R. China
     +86-0574-89075950
     +86-18094567412
     mfgsp@superior-machinery.com
         info@sunionmfg.com

    Follow Us

    SUNION INTERNATIONAL
    (St. Petersburg Branch)
     +7(963)533 3721
     +7(911)725 8817
     mikhail@sunionmfg.com
         olga@sunionmfg.com
    Contact Us
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