High-speed rail tube

Chinese high-speed railway construction began in 2004, China's railway long-term planning, the opening of the first true sense of the high-speed rail is August 1, 2008 opening and operation of 350 km / h in the Beijing-Tianjin intercity high-speed railway (HSR conform big system definition, high-speed rail to define both the requirements of the infrastructure part, but also requires high-speed EMU or high-speed train parts. If only the infrastructure (ciVil works) is satisfied, but there is no high-speed trains to run, which includes trucks, communications scheduling and passenger operations - high-speed rail technology, it is not a true high-speed rail.). After the high-speed railway construction and transformation of existing high-speed railway, China already has the world's largest and highest operating speed of high-speed rail network.

As of December 28, 2014, the total mileage of China's high-speed rail operations oVer 10,006 one thousand kilometers, "four Vertical" trunk basic shape. Chinese high-speed railway operating mileage of about 50% of the world's high-speed rail operation mileage, ranking the world's top high-speed rail mileage. On the pipe should be reliable product quality, was selected for the Chinese Ministry of Railways designated pipeline suppliers. Mainly used in brake systems, fire systems and station infrastructure pipe.