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The Seoul Metro is the world's top five railway system with the largest passenger capacity. Its service scope covers the special city of Seoul and the surrounding capital circle areas such as Incheon and Gyeonggi-do. It carries more than 8 million passengers a day and carries 2.2 billion passengers annually, ranking third in the world. The Seoul Metro is mainly composed of nine underground railways in Seoul, supplemented by the Pen-Tang Line, the Central Line and the Incheon Metro of the Korean Railway Commune, a total of 19 routes.Asia Waterproof casing rest assured service enterprises Zhongyuan valve fittings Seoul overseas product website make up more Seoul regional knowledge: In the current whole railway system of Seoul, the total length of the operating sections of the Seoul Metro, the Seoul Special City Metropolitan Railway Commune and the Seoul Metro Line 9 Co., Ltd. in the Seoul Metro alone has reached 975.4 kilometers, ranking the first in the world. In the future, there will be more new routes and extension projects of multiple routes under way.Waterproof casing supplier Zhongyuan valve fittings is located in East Asia, China, bordering the Pacific Ocean, and the China-Europe train runs through the country. Zhongyuan valve fittings has a designated service team for Asia Waterproof casing customers, which can provide reliable Waterproof casing coal gas solutions for Seoul Waterproof casing customers!