According to CCTV Finance, as of 2023, the operating mileage of high-speed rail in China has reached 45000 kilometers. On December 14, 2023, the world's first large-diameter hard rock tunneling machine capable of climbing steep slopes, the "Yongning", filled the technical gap in the construction of inclined shafts for hard rock tunneling machines in China. The country's heavy machinery has once again been upgraded, and the "steel pangolin" has also set a new world record.

As Chairman Chen Yun said (in the CCTV financial report above), innovation is the driving force for development in any industry. As a specialized and innovative small giant enterprise, Changlu has always adhered to the spirit of "unity, exploration, and innovation", taking it as its responsibility to "promote industrial progress" and "cultivate employees with scientific spirit". It has production and research and development bases in Zhuhai and Hefei, laying a firm foundation and strong guarantee for the long-term and stable development of the enterprise and the realization of "Made in China".
The weighing and measuring products developed by LONGTEC have been widely used in metallurgy, building materials, energy, machinery and other fields, and have established cooperative relationships with many leading enterprises in the industry such as China Railway Construction Heavy Industry, China Construction Machinery, Sany, Zoomlion Heavy Industry Science and Technology, and XCMG. The product provided to a certain customer this time - UNI800 digital weight transmitter, is applied to shield tunneling machines. By measuring the gravity borne by the mechanical gripper of the shield tunneling machine, it determines whether it is grasped and retracted in place, and then proceeds to the next step of action, ensuring the safe and efficient operation of the shield tunneling machine.



Craftsmanship - LONGTEC UNI800 Helps Big Nation Heavy Steel 'Pangolin'

Looking back at the development history of shield tunneling machines, China has achieved a comeback from scratch, from following to leading, truly embodying the spirit of a great country's heavy machinery that strives for excellence and climbs new heights. After 20 years of development, Changlu has deeply rooted in the field of process measurement and control, adhered to independent innovation, accumulated strength, and relied on strong innovative research and development capabilities and comprehensive service capabilities to break through industry bottlenecks and fill industry gaps.
A major country in heavy equipment, skilled in measurement. In the future, LONGTEC will continue to promote technological innovation and product upgrades, adding another force to the development of the country's high-end equipment manufacturing industry!

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