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    Qianfeng Granted 7 New Patents in 2024, Strengthening Innovation in Woven Bag Machinery

    Jun 19,2025
    Posted By: Peter

     

    Wenzhou Qianfeng Technology Co., Ltd. continues to lead technological innovation in the woven bag machinery industry. In 2024, the company was granted seven new patents by the China National Intellectual Property Administration (CNIPA), including three invention patents and four utility model patents.

     

    These patents reflect our ongoing commitment to R&D and automation, with new technologies that improve the efficiency, precision, and integration of woven bag production processes.

     

    Highlighted patented innovations include:

    1. An intelligent top-hemming integration system for fully automatic bag conversion
    2. A cold-cutting and folding forming mechanism for valve bag production
    3. A cutting and folding integration system tailored for valve bag processing
    4. A clamping mechanism to hold woven bags securely during processing
    5. A dual-cam synchronized automatic suction device for efficient bag handling
    6. A top-folding mechanism for sealing the mouth of woven bags
    7. A feeding mechanism for valve bag folding and cutting integration machines

     

     

    These technologies have been or will soon be integrated into our newest machine models, helping global customers reduce labor dependence while achieving higher automation and product consistency.

     

    With over 40 patents now in total, Qianfeng continues to support woven packaging manufacturers around the world with reliable and forward-thinking equipment.

     

    Wenzhou Qianfeng Technology Co., Ltd

    January 15, 2025

    Recommended models
    QF-QTFQ-750
    Woven Bag Automatic Liner Insertion, Top Hemming, Cutting and Sewing Machine

    Outer Bag Cutting Length (mm):600-1200

    Outer Cloth Width (mm):450-650

    Inner Bag Wider than Outer Bag (mm) +20

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