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    1. animal feed machinery
      turn key production line
      feed machinery spare parts

      About Shanghai Zhengyi Machinery

      Founded in Shanghai Songjiang Industrial Park in 1997. Professional research and development and manufacture of pellet machine ring die, roller and pellet machine related accessories. Industry advanced processing equipment, industry leading equipment scale. First – class ring die design technology and advanced processing technology.

      • Oversea Office

      • Aftersales Service Team

      • Founded in 1997

      • Pellet Mill

        Ring Die Animal Feed Pellet Mill adopts mature technology to make high-quality animal feed pellets for chicken, cattle, horse, duck, etc. with large–scale production. Based on the outstanding features of its high throughput, low consumption, and mature technology, the ring die feed pellet mill has become more and more popular and possesses a broad market share at home and abroad. It is ideal equipment for animal and poultry breeding in grain feed factories, livestock farms, poultry farms, individual farmers, feed processing industry, etc.

      • Turnkey Production Line by Zhengyi

        The company always adheres to the quality policy of “four zeros”, namely “zero defects in materials, design for turnkey production line, processing and inspection”. Customer oriented, dedicated to provide customers with high-quality products and turnkey production line services. Zhengyi will always adhere to the value of “technology is the core, quality is the life”, constantly innovate in product research and development, create value for customers, and contribute to the development of feed and food industry in China and even the world.

      • Ring Die Repair machine

        Innovatively integrate grinding inner circle, clearing hole and intern
        all counterbore in the process of ring die repair into a repair equipment.

        The cost of equipment is reduced by 40%, the occupied space of equipment
        is reduced by 60%, and the repair efficiency is improved by 30%.
        Great time-saving.

        PLC control, intelligent calculation setting repair data,
        repair l (Q process without personnel supervision).



      +86 021 - 57780012 (office)

      Other ways to get in touch

      Click here to Read more Inquiry Now


      • Ring Die of Spare Parts for Pellet Mill

        Ring Die of Spare Parts for Pellet Mill

        Zhengyi Ring Die of Spare Parts of Pellet mill
        Using Euro Standard X46Cr13 and?strictly production process control, the products with high precision have reached the first-class level of the industry in terms of assembly size and hole wall smoothness.

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      • Turnkey Production Line

        Turnkey Production Line

        Zhengyi feed machinery industry gathers rich experience in equipment application and manufacturing and has provides equipment and turnkey projects to lots of international feed manufacturers.

        View More
      • Instruction for Ring Die Installation

        Instruction for Ring Die Installation

        PART 1: INSPECTION BEFORE INSTALLATION 1. Ring die Inspection Before Installation Whether the working surface is even. Whether the groove is worn, and whether the threaded hole is broken. Whether ...

      • Ring die and roller shell: Determination of critical parameters

        Ring die and roller shell: Determination of cri...

        The ring die and roller of Pellet mill are very important working and wearable parts. The rationality of the configuration of their parameters and the quality of their per...

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        On the afternoon of February 12, in the conference room on the 16th floor of Hengxing building in Zhanjiang City, Guangdong Province, Hengxing signed a strategic cooperation agreement with Zhengda ...

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