Hongchang
  • 中文版
    • Technological innovation
    • Patent Certificate of Paint Can Weimei Paint
    • Patent certificate of high-point paint for packing box
    • Patent Certificate for Paint Can High Spot Paint
    • Patent certificate of paint filter device for laboratory
    • Patent certificate of feeding device applied to paint storage tank with stirring
    • Patent certificate for the stirring device used in the reactor
    • Patent certificate for paint heat exchange device
    • A patent certificate for the improved structure of a dispersing machine
    • Guangdong High-tech Products (2)
    • Guangdong High-tech Products (3)
    • Guangdong High-tech Products (1)
    • Modifier for improving coating flexibility and preparation method thereof
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