stage cementing collar with sealing rubber

{"cid":"91217788","title":"Premium Stage Cementing Collar for Superior Casing Integrity","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/25\/35\/fa99438bcac1705cc5f8c007ac00-200x200-1.jpg","attrs":{"Brand Name":"SWS","Place of Origin":"China","Color":"Silver","Connection":"Threaded","Package":"Wooden Case","Length":"Customized","Material":"Steel","Application":"Oil & Gas Industry","Temperature":"High Temperature","Warranty":"1 Year"}}

{"cid":"91191664","title":"Oilfield API Standard Mechanical Stage Cementing Collar 5-1\/2\" To 13-3\/8\"","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c6\/e3\/33e570f5952d98a6c221311124d7-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Puyang Zhongshi Group","Model Number":"5 1\/2\"~13 3\/8\"","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 name":"Oilfield API Standard Mechnical Stage Collar","Size":"5-1\/2\" to 13-3\/8\"","Type":"Mechnical","Thread":"API type or interchangeable type","Application":"Oil and gas well drilling","Min.Order Quantity":"1 year"}}