Galvanized steel flat bar perforated. For retaining wall post. Hot dip galvanize, zinc layer 600 GSM. ---------------------------------- #flatbar #steelstructure #retainingpost #retainingupright #wallpost #bracket #steel (在 Qingdao, Shandong) https://www.instagram.com/p/Bs4ej-YDCdM/?utm_source=ig_tumblr_share&igshid=srgf06l759mj













