stage cementing collar for wellbore integrity

{"cid":"91217788","title":"Multi-Stage Cementing Collar for Optimal Wellbore Integrity","imgUrl":"https:\/\/img.chinax.com\/nimg\/c3\/e6\/cac6c9a781ef89e70425fbdf821a-200x200-1.jpg","attrs":{"Brand Name":"SWS","Surface Treatment":"Polished","Package":"Wooden Case","Pressure":"High Pressure","Connection":"Threaded","Size":"Customized","Product Name":"Stage Cementing Collar","Temperature":"High Temperature","Warranty":"1 Year","Place of Origin":"China"}}

{"cid":"91191664","title":"Carbon Steel Stop Collars For Reliable Casing Centralization And Improved Wellbore Integrity","imgUrl":"https:\/\/img.chinax.com\/nimg\/4d\/3d\/f555ee6dcfe1a464cb02a2e3a773-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ZS","Model Number":"13 3\/8\u2033 to 4 1\/2\u2033","Minimum Order Quantity":"1","Delivery Time":"15 work days","Certification":"IOS,API","Place of Origin":"China,Henan","Payment Terms":"T\/T","Supply Ability":"10000sets\/month","Packaging Details":"Metal or wooden case","Application":"Application","Core Components":"PLC, Bearing","Condition":"New","Usage":"Oilfield Drilling Equipment","Features":"API Low Pressure Filter Press","Color":"Customized","Bow Spring Force":"1000 lbs","Coupling Type":"Integral","Mandrel OD":"3.5","Material":"Carbon Steel","Product Name":"Bow Spring Centralizer","Size":"3-1\/2"}}