GB heavy rail is a heavy rail that complies with China's national standard (GB). It is mainly used for important lines such as trunk railways, heavy-load railways and high-speed railways. Its rail type is usually more than 50 kilograms per meter.

QU70 is a crane rail with a height of 120mm, a bottom width of 120mm, a head width of 70mm, a waist thickness of 28mm, and a theoretical weight of 52.77kg/m.

QU70 rail is a crane rail with a rail height of 120mm, a bottom width of 120mm, a head width of 70mm, a waist thickness of 28mm, and a theoretical weight of 52.8kg/m.

Crane rails are mainly used for laying crane trolley and trolley tracks, and are suitable for gantry cranes in large projects, container hoisting at docks, and other places.

GB/T 2585 is the current national standard for hot-rolled rails for railways. P38 38kg rails are one of the specifications of rails.

QU70 rails are crane rails that comply with the national standard YB/T5055. They are mainly used for laying crane trolley and car tracks.

Crane QU70 track is a type of track commonly used in cranes, with certain high hardness characteristics