2024/05/27
Through the United States FM certification, groove pipe fittings through the National Ministry of Public Security CCC certification
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2024/05/27
In January, Jianzhi's trademark was recognized as "China's well-known trademark" by the International Trademark Administration Review and Adjudication Board"<br>November through the quality, environment, occupational health and safety system certification</br>
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2024/05/27
Through the EU's "CE" certification, followed by Brazil's "ABNT" certification, Turkey's "TSE" certification.
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2024/05/27
Participate in the drafting and revision of the national standard GB/T3287 for malleable cast iron pipeline connectors.<br>Participate in the revision of the national standard GB/T9440 "malleable iron castings" and put forward 9 specific amendments.</br>
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2024/05/27
Through the United States "UL" certification<br>Jianzhi Group closely combines theory and practice in the field of science and technology. According to the needs of pipe thread detection, the "portable pipe fitting angle detection device and its accessories" invented by Jianzhi Group was patented on January 28, 2009.</br>
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