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Suifenhe–Manzhouli corridor
绥满通道
Suifenhe–Manzhouli corridor ; 绥满通道
Overview
Status	Partly operational
Locale	People's Republic of China
Termini	Suifenhe; Manzhouli;
Service
Type	High-speed rail
Operator(s)	China Railway High-speed
Technical
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	50 Hz 25,000 V
Operating speed	200 to 350 km/h (124 to 217 mph)

The Suifenhe–Manzhouli corridor is a high-speed rail corridor located in the northeast of China running from Suifenhe in Heilongjiang to Manzhouli in Inner Mongolia. Announced as part of China's "Eight Vertical and Eight Horizontal" network, the passage passes through Harbin and Qiqihar.

Sections

Section Railway line	Description	Designed speed (km/h)	Length (km)	Construction start date	Open date
Suifenhe–Mudanjiang Mudanjiang–Suifenhe railway	Upgraded conventional rail line connecting Mudanjiang and Suifenhe.	200	138.8	2010-07-08^[1]	2015-12-28^[2]
Mudanjiang–Harbin Harbin–Mudanjiang intercity railway	Intercity railway connecting Harbin to Mudanjiang.	250	293.2 ^[3]	2014-12-15 ^[4]	2018-12-25 ^[5]
Harbin–Qiqihar Harbin–Qiqihar intercity railway	Intercity railway connecting Harbin to Qiqihar.	250	282	2009-07-05	2015-08-17 ^[6]
Qiqihar–Manzhouli Qiqihar–Manzhouli railway	Upgraded conventional rail line from Qiqihar to Manzhouli.