Tianjin Ruijie Steel Pipe Co., Ltd. provided 2,500 tons of large-diameter
ssaw spiral steel pipes to China Railway Group Limited in 2018, which were used
as highway steel piling pipes. The diameter of the steel pipes was
529-1660mm.
We provided about 1800 tons of ssaw spiral steel pipe with OD 325-630mm,
providing underground pipeline support for Beijing Nation Stadium Construction.
Our company often participates in domestic large-scale project bidding
activities.
In 2016, we provided 1000 tons of large diameter ssaw spiral steel pipe for
the construction of Beijing Daxing International Airport, which was used as an
underground pipeline laying project.
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