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.
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.
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