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Corrugation 400mm x 150mmCorrugation 400mm * 150mm is the latest R & D product of Yitong company, greater resistance to deformation waveform such products stronger, applied in large-scale projects, and it is stronger resistance to stress, such products have been exported to Russia and Middle East countries.
steel corrugated culvert pipe
metal corrugated pipe
Multiplate structures pipe are approved by most of American road and railways administrations and national standards. They are manufactured in accordance to American and Australia standard.
