directional well bore casing spring centralizer

{"cid":"91217788","title":"API 10D 4 1\/2 Improve Cementing Quality Non-Welded Double Bow Casing Spring Centralizer for Directional Well bore","imgUrl":"https:\/\/img.ismap.com\/nimg\/5a\/b8\/8684b2462b668434ec1cb805afc6-200x200-1.jpg","attrs":{"Price":"7-10$\/piece","Brand Name":"SWS","Minimum Order Quantity":"1","Delivery Time":"7 days for 1 piece,more than 1 pieces need to be negotiation","Certification":"API 10D","Place of Origin":"Jiangsu China","Payment Terms":"D\/A, D\/P, Western Union","Supply Ability":"More than 5000 pieces\/month","Standard":"API 10D","Product Use":"Casing Centralizer","Specification":"4-1\/2''","Style":"Spring Centralizer","Length Range":"4-1\/2\"~20''","Max.O.D. (mm)":"177","Casing Spec (mm)":"114","Material":"Spring Steel,Aluminum Alloy,Cast Steel,Composite","Application":"A device for centering the casing column in the borehole"}}

{"cid":"91191664","title":"4 1\/2\"~20\" Rigid Straight Vane Bow Spring Centralizer Solid Body Centralizer","imgUrl":"https:\/\/img.ismap.com\/nimg\/63\/05\/eb41a5a609d1fc811ceb234c8038-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Puyang Zhongshi Group","Model Number":"4 1\/2\"~20\"","Minimum Order Quantity":"1","Delivery Time":"depends on quantity","Certification":"API,ISO,QHSE","Place of Origin":"China","Payment Terms":"T\/T, MoneyGram","Packaging Details":"Wooden Box","Product":"Solid Rigid Straight Vane Casing Centralizer","Type":"Rigid","Size":"4.5\"~20\" or as request","Blade type":"Spiral","Service":"OEM or ODM","Application":"well drilling"}}