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Galvanized FRP/Gfrp Rock Bolt Carbon Steel Fiberglass Reinforced Polymer Anchors with Galvanized, Find Details and Price about Fiberglass Reinforced Plastic Rock Bolt FRP Self Drilling Anchor Bolt from Galvanized FRP/Gfrp Rock Bolt Carbon Steel Fiberglass Reinforced Polymer Anchors with Galvanized - Hebei Langben Building Materials Co., Ltd