AOP Precast had produced the bolt anchor firstly when the product was designed by Germany and USA precast company leader. Bolt anchor consist of high grade socket swage to bolt apply to thread lifting system. We use eight directions high power swage machine to certificate the bolt anchor have 5 times safety factor. It can be fixed to formwork by plastic nail plate or magnetic socket holder. AOP bolt anchor was made by high grade steel or stainless steel socket swaged to bolt with head and no screw. We only use BAO STEEL materials to ensure our rebar anchor materials have good and stable quality.