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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2024/05/27
Independent research and development of the first generation of successful hydraulic testing machine<br>In 2007, Xinfangsheng and Jianzhi Group worked together to build a brilliant capital. The main cooperation projects include the Olympic Bird's Nest, Beijing Yintai Center, National Grand Theater, Huatai Center, etc.</br>
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