轮到中国卡脖子了！全球仅有5辆的重器，只租不卖，每年净赚300亿

Core Insights - SPMT (Self-Propelled Modular Transporter) is recognized as a "super transport device" on land, playing a crucial role in heavy equipment transportation [1] - The introduction of SPMT has significantly advanced engineering projects that were previously deemed nearly impossible [1] Group 1: SPMT Capabilities - SPMT has a massive structure with thousands of wheels, capable of carrying extremely heavy objects while maintaining flexibility and precision during transport [3] - It can carry oversized modules with a positional accuracy of only 2 millimeters, showcasing its unique advantages in large-scale transportation [5] Group 2: Historical Context and Development - SPMT first appeared in the 1980s and has since been pivotal in engineering construction, outperforming previous methods of transporting large objects [7] - The traditional approach involved pre-fabricating components for assembly on-site, which, while efficient, posed challenges if too many modules were split [7] Group 3: Technological Advancements in China - Initially, China faced challenges in SPMT technology and relied on foreign rentals, which were costly and limited in flexibility [9] - In 2008, China successfully developed its first SPMT, marking a breakthrough in this critical field and altering the global market landscape [9] - By 2009, SPMT played a vital role in the construction of the Hong Kong-Zhuhai-Macao Bridge, demonstrating China's technological capabilities [11] Group 4: Current Market Position - China now possesses some of the world's most advanced SPMT equipment, with all five of the global ultra-high-capacity SPMTs located in the country [11] - The country has transitioned from relying on foreign equipment to becoming a significant player in the global market, generating hundreds of billions in rental income [11] - Western countries, once confident in their SPMT technology, are now renting equipment from China to meet project demands, indicating a shift in market dynamics [12]