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        6. Hello, welcome to the official website of Jieao Building Materials Co., LTD!
          US
          描述
          400-0110-188
          National Toll-free service hotline
          High performance hardware precision metal parts
          Creat the safest fire protection hardware system in China
          描述
          Exquisite production technology, more stable performance
          Customize production according to your needs
          Product display
          Product display
          • Fire shutter series
          • Fire hinge series
          • Automatic fire lock
          • Lock series
          • Fire single product series
          • Series of hand
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