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Hengshui Yitong Pipe Industry Co.Ltd.

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Tunnel liner  Corrugated steel tunnel liner  Steel structure tunnel liner Full Length Corrugations & Lapped Joints for More Effective Stiffness & Ring Compression. The Liner Plate... Read More

1. Basic regulations: (1) Steel corrugated culvert pipe shall be inspected and accepted in strict accordance with the processing and acceptance standard of steel corrugated plate before leaving... Read More

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