Prestressing Tensioning hollow Jack

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{"cid":"104827","pid":"20812611","pimg_url":"\/\/img1.b2bforus.com\/b5\/d2\/33415e692207\/product\/69067812_s-w400xh400.jpg","name":"Bridge Prestress 50tons Jack Post Tension Hydraulic Cylinder Hydraulic Prestressed Tension Jack","attrs":{"Price":"Negotiable","MOQ":"1.0 Sets","Delivery Time":"Negotiable","Brand":"AUM Prestress"}}

{"cid":"104827","pid":"20812593","pimg_url":"\/\/img1.b2bforus.com\/b5\/d2\/33415e692207\/product\/69067812_s-w400xh400.jpg","name":"Bridge Prestress Double Acting Hollow Hollow Jack Jack For Post Tensioning Jobs Jack","attrs":{"Price":"Negotiable","MOQ":"1.0 Sets","Delivery Time":"Negotiable","Brand":"AUM Prestress"}}