shale gas well mechanical drilling jars

{"cid":"91209282","title":"Shale Gas Well Mechanical Drilling Jar ZJ Type 3-3\/4''-9''","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/f5\/0e\/d691f7a13ab00fd58c4af13e3d7b-200x200-1.jpg","attrs":{"Brand Name":"OHANG TECH","Minimum Order Quantity":"1","Delivery Time":"30-50 days","Place of Origin":"CHINA","Packaging Details":"Sea Freight Packing","Payment Terms":"T\/T","Active 1":"Mechanical","Active 2":"Hydraulic","for":"Oil & gas well drilling"}}

{"cid":"91186823","title":"API Mechanical 460 KN Downhole Hydraulic Drilling Jar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c6\/1a\/e671c25ebac47eeee127f38e7f46-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"TR Solids Control","Model Number":"TRCZ Series","Minimum Order Quantity":"1 pc","Delivery Time":"Within 20 days after deposit","Certification":"API & ISO Certificate","Place of Origin":"Xi'an China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"2000 Pcs Per Month","Packaging Details":"Pallet or wooden case","OD":"4-3\/4\"-8\"","ID":"2\"-2-13\/16\"","Connection":"NC 38, NC 50, 6-5\/8 REG","Max. Downward Jarring Force":"230-460 KN","OAL":"6356-7265 mm","Material":"Carbon Steel","Processing Type":"Forging","Application":"Well Drilling Fishing Tool"}}