equalizing check valve wireline lock mandrel

{"cid":"91198948","title":"FB-2 Check Valve Wireline Lock Mandrel Equalizing Running Tool","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/b2\/e3d504c6a54dd9f3a25ca3b8c19c-200x200-1.jpg","attrs":{"Brand Name":"Ruixin","Model Number":"2.813inch 3.813inch","Minimum Order Quantity":"1","Delivery Time":"3-4 weeks","Certification":"API","Place of Origin":"China Baoji","Payment Terms":"T\/T","Supply Ability":"1 set 3 weeks","Packaging Details":"Wooden Box","Name":"FB-2 Equalizing Check Valve Wireline Lock Mandrel","Size":"2.75 inch 2.81 inch","Fishing Neck":"2.313 inch","FN":"1inch~3.125inch","Application":"Slickline Wireline","Service":"STD&H2S"}}

{"cid":"91212817","title":"Alloy Steel Lock Mandrel With Equalizing Prong Housing For Wireline Tools","imgUrl":"https:\/\/img.chinax.com\/nimg\/09\/00\/8beadd5579fa85a43ed91662ebfc-200x200-1.jpg","attrs":{"Price":"USD 1-10000\/set","Brand Name":"ZZ TOP OIL TOOLS","Model Number":"Lock Mandrel","Minimum Order Quantity":"1 set","Delivery Time":"30-50 days","Certification":"ISO, API","Place of Origin":"China","Payment Terms":"L\/C, T\/T, D\/P","Supply Ability":"10 set\/month","Packaging Details":"Pollywood","Product":"Wireline Tool String","Material":"Alloy Steel","Size":"1.25inch - 2.5inch","Application":"Oil & Gas Well Downhole Operation","Connection":"5\/8 UN - 1 9\/16UN","Working Condition":"Oil & Gas & H2S service","Usage":"To hold top & bottom well pressure","Delivery":"20-30 days"}}