Corrugated Pipe Culvert, ọ bụ ụdị engineering a na-ejikarị na udi nke ife-dị ka ọkpọkọ oyiyi akwa, carbon ígwè, igwe anaghị agba nchara, galvanized, aluminum, wdg dị ka isi akụrụngwa mejupụtara. Enwere ike iji ya na petrochemical, instrumentation, aerospace, chemic ...
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