1, Ni ibamu si Awọn ọna iṣelọpọ Isọri (1) Pipe Alailẹgbẹ - Awọn paipu Yiyi Gbona, Awọn paipu Yiyi Tutu, Awọn tubes Tutu Tutu, Awọn tubes extruded, Pipe jacking (2) welded Pipe (A) Ni ibamu pẹlu Awọn ilana-ipin - Arc Welded Paipu, ERW Pipe (Igbohunsafẹfẹ giga, Igbohunsafẹfẹ Kekere), Pipe Gaasi, Furn...
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