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Bridge with corrugated metal culvert pipe (spiral metal pipe,corrugated metal pipe culverts,corrugated pipe culverts) in strict accordance with JG/T3013-1994 standards of production,is widely used in China's major bridge projects.Which have strong seams,no cracking,no tripping,impermeable,no infiltration pulp ,screwing,large carrying capacity and other characteristics,that praised by all users.
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