10月1日，早晨6：30，绵密的秋雨还浸润着无数人的梦乡，我来到平顶山市平煤一矿的井口，中铁装备 平煤一矿盾构项目经理袁国甲已等候在那里。我将跟随盾构四号TBM维保团队，开启一场特别的地下 之旅。 顺着井口下行781米，我们一行人乘电瓶车抵达掘进巷道。打开车门，潮热的空气扑面而来，盾构四号 作业面TBM的巨大金属机身横亘眼前，机器轰鸣声犹如巨龙低吟。 早班会在TBM的主控室召开，袁国甲进行了简明扼要的工作动员："'双节'期间，咱们的设备不能停 歇，之前查出18号、21号滚刀磨损量异常，液压系统回油滤芯堵塞，大家共同努力修复完毕。机械组检 查刀盘，电气组紧盯电气柜，液压组重点排查油管。大家各就各位，注意安全！" 会议结束后，袁国甲带领机械组走在队伍前方，直奔巷道深处的刀盘区。走到跟前，直径超5米的刀盘 气势逼人，近两层楼高的金属面上排列着一行行刀齿，在安全帽照明灯的照射下，充满无坚不摧的力量 感。 "大家注意安全，上面可能掉石块。"提醒之后，袁国甲顺着狭窄的换刀通道，率先弓着身子钻进刀盘， 认真检查刀齿，用量刀尺仔细测量刀具磨损量，"刀具可不能马虎，若有一个损坏未能及时发现，整个 刀盘就会像多米诺骨牌一样接连受 ...

Group 1 - The largest diameter shield machines exported by China are "Patigalang" and "Barangaroo," which are designed for the Sydney Western Harbour project in Australia [3][6] - "Barangaroo" was successfully launched on July 30 at the Zhengzhou National TBM Industrialization Center, while "Patigalang" was launched in April [3][6] - The Sydney Western Harbour project features a dual-tunnel design with a maximum depth of 52 meters below sea level and complex geological conditions, including sandstone and clay layers [3] Group 2 - Both shield machines have a diameter of 15.7 meters, a length of approximately 113 meters, and weigh over 4,300 tons, incorporating multiple intelligent technologies to enhance construction efficiency [6] - The successful acquisition of the project order in Australia is attributed to the advanced and targeted technical solutions provided by the company [6] - The company has been actively integrating into the global market, exporting tunnel boring machines to over 30 countries and regions, maintaining the world's highest production and sales for eight consecutive years [6]

Group 1 - The "Binhai International Trade Products Exhibition" aims to connect foreign trade enterprises with domestic supermarkets and e-commerce platforms, promoting the integration of domestic and foreign trade [1] - The event showcases over 50 foreign trade companies, highlighting the importance of utilizing both domestic and international market resources for efficient operations [1] - The Binhai New Area's business department is facilitating resource connections and encouraging foreign trade companies to diversify their market strategies, including participation in e-commerce platforms [1] Group 2 - Tianjin is implementing innovative measures to help manufacturing companies expand overseas, with a focus on AEO (Authorized Economic Operator) certification to enhance credibility and market access [2] - The AEO certification provides companies with benefits such as priority customs clearance and reduced documentation requirements, acting as a "green pass" for faster international trade [2] - In 2022, the overseas market revenue for China Railway Engineering Equipment Group (Tianjin) Co., Ltd. reached 190 million yuan, reflecting an 11.1% year-on-year growth [2] Group 3 - Tianjin Customs has established a key enterprise cultivation database for AEO certification, focusing on large equipment manufacturing and specialized enterprises, with 367 high-level certified enterprises to date [3] - The Tianjin Municipal Bureau of Commerce is combining foreign trade stability with consumer expansion, providing support for enterprises to navigate domestic market entry challenges [3] - Temporary market access measures and expedited certification channels are being introduced to assist companies transitioning from foreign to domestic markets [3]

Core Insights - The article highlights the advancements in deep earth exploration technology led by China Railway Engineering Equipment Group, showcasing their TBM (Tunnel Boring Machine) innovations and the significance of deep space technology development in the context of national strategy [2][3][4]. Group 1: Company Achievements - China Railway Engineering Equipment Group has developed TBMs such as "Golden No. 1" and "Haiyue" series, with "Golden No. 1" currently drilling at a depth of 1590 meters, aiming to set a record for the deepest TBM drilling globally [1]. - The company maintains the largest market share in the domestic shield machine sector for 13 consecutive years and has been the world's top producer for 8 years, with over 1700 units produced [2][3]. - The company emphasizes the integration of technology and industry, with a focus on innovation in deep earth exploration, as evidenced by the successful implementation of advanced technologies in their TBMs [3][4]. Group 2: Industry Context - The demand for deep earth exploration is increasing, with projections indicating over 80,000 kilometers of deep chambers to be constructed in the next five years in China [2]. - The article notes that China's tunnel and underground engineering account for over 70% of the global market, with ongoing advancements in technology to tackle complex geological conditions [3]. - The conference held by China Railway Equipment served as a platform for experts to discuss innovations in deep earth technology, highlighting the importance of collaboration between academia and industry [2][4]. Group 3: Future Directions - The company is actively seeking global technological contributions for "intelligent tunneling and new mining equipment" to enhance its capabilities in deep earth exploration [5]. - The focus on high-quality development and the push for domestic technology localization in TBM manufacturing is a strategic priority for the industry [3][4]. - The integration of various applications and the development of a diverse product line are key strategies for overcoming challenges in deep earth excavation [4].