Magnesium alloy anodes are suitable for the anti-corrosion protection of such projects as oil pipelines, gas pipelines, water supply pipes and drain-pipes, underground cables, chemical plants, communication, harbors, watercrafts and reservoir. We supply high potential magnesium anodes and low potential magnesium anodes, unpackaged bare anodes and the anodes packaged in a cloth bag with prepared backfill to meet customers' request our website: www.sdchangyu.com.cn/ en plz feel free to contact me for any quention~ cathy@ sdchangyu.com.cn