Spring Bow Welded Pipe Made Casing Centralizer Henan Nayu Industrial Co., Ltd Base Info Model NO.：Nayu-C05Type：StudTrademark：NayuTransport Package：Packed in Wooden CaseSpecification：as requirmentOrigin：ChinaHS Code：843143100 Description Pre：Plain - Grade 2h - M64 - A194 - Nut - Carbon Steel - Swrch35K/45# Next：Hot Galvanizing - Grade 2h - M48 - A194 - Nut - Carbon Steel - Swrch35K/45#
