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HEBEI YONGYANG SPECIAL STEEL GROUP
HANDAN YONGYANG IMP.&EXP. CO.LTD
Mobile: +86 16630064815
Overseas Marketing：Andy
Mobile: +86 13451434114
Overseas Marketing：Johnny
E-mail: sales@yyrail.com
johnny@yyrail.com
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The History of China's Railways at A GlanceOne hundred and fifty years ago, railroads were considered by the Qing Dynasty rulers as an ominous thing. Nowadays,See more > -
I-beam and H-beam: Differences and ApplicationsPeople often ask how to choose betweenI-beamand H-beam, which are similar in shape, in practical use. Many people whSee more > -
Application Characteristics of I BeamI-beam,also known as Universal Beam, is a long strip of steel with an I-shaped cross section.I-beam is divided intoSee more > -
Properties and Usages of Spring Flat SteelSpring steel,commonly referred to as annealed spring steel, is a so-called "universal" steel. Because of the wide raSee more > -
How Rail Milling Maintains Railroads and Saves CostOur rail milling trains for basic track maintenance are part of this effort, which we hope will reduce disruption toSee more > -
The Role and Classification of Railway SleepersThe sleeper is the member on which the rails are arranged at the proper gauge. These sleepers are usually placed onSee more > -
Double-headed Rail, Bull Head Rail and Flat Foot RailThe common railroad rail is divided into three kinds: double-headed rail, bullheaded rail, flat foot rail.Heavy railSee more > -
Types and Structure of Railroad TurnoutsA railway turnout,also known as a railroad switch, is a connecting device in a modern railroad system. As an importaSee more >