2 7 8 oil field drill string

{"cid":"91186823","title":"Oil Field 4145H Drill String Top Drive Kelly Saver Sub","imgUrl":"https:\/\/img.chinax.com\/nimg\/e4\/9f\/1ac9819847b425bac3cc17bb98e2-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"TR Solids Control","Model Number":"TRDQA","Minimum Order Quantity":"1 pc","Delivery Time":"20 days","Certification":"API, ISO","Place of Origin":"Xi'an China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"30000 Pcs Per Month","Packaging Details":"Pallet or wooden case","Color":"Red, white, green etc","Material":"4145H","Outer Diameter":"187mm~219mm","Processing Type":"Forging","Package":"Wooden Box","Application":"Oil Field","Advantage":"High Performance","Warranty":"1 Year"}}

{"cid":"91191664","title":"Well Drilling Casing API Cementing Tools Oilfield Drilling Equipment Casing Float Collar Float Shoe","imgUrl":"https:\/\/img.chinax.com\/nimg\/89\/9b\/8c971fd5dd47bf8b1e161af4ad15-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ZS","Model Number":"4 1\/2\"~36\"","Minimum Order Quantity":"5","Delivery Time":"depends on quantity","Certification":"API,ISO,QHSE","Place of Origin":"China","Payment Terms":"T\/T, MoneyGram","Packaging Details":"Wooden Box","Name":"float collar&float shoe","Application":"oil and water well cementing tools","Working Pressure":"21Mpa-35Mpa","Valve":"single type or double type","Material":"K-55, L-80, N-80, C-95, T-95, and P110.","Thread type":"STC, LTC, BTC","Dia":"5\"-20\""}}