micro tunnel boring machine for confined spaces

{"cid":"91207627","title":"Micro Tunnel Boring Machine with 500-4000MM Applicable Diameter 4.6 RPM for Rock Geology in Confined Spaces","imgUrl":"https:\/\/img.chinax.com\/nimg\/94\/f5\/70ff9b7a9674d5396d66205ba4e1-200x200-1.jpg","attrs":{"Brand Name":"APIE","Model Number":"HRC Series","Place Of Origin":"China","Place of Origin":"Jiangsu, China","APPLICABLEGEOLOGY":"ROCK","SLURRY PIPE DIA [MM":"1","APPLICABLEDIAMETER":"500-4000MM","NOMINAL TORQUE [KN.M":"1","STEERING THRUST":"38*4","MODEL":"800","RPM":"4.6","MACHINE DIMENSION [OD LENGTH":"1"}}

{"cid":"91195373","title":"Hydraulic Pneumatic DTH Drilling Machine Impact Frequency 34HZ Surface Borehole Drilling Rig","imgUrl":"https:\/\/img.chinax.com\/nimg\/1d\/f5\/cf861af0e691f8387a6fad93dc65-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"SANROCK","Model Number":"SR90","Minimum Order Quantity":"1Set\/Sets per Month","Delivery Time":"15-25days","Certification":"CE ISO 9001:2015","Place of Origin":"Zhejiang, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"5000Set\/Sets per Month","Packaging Details":"Nude package for machines, Wooden box package for spare parts, Or customer demand.","Product name":"Drilling Rig","Name":"Rock Drilling Rig","Application":"Mining Project,Coal,Ore,Water Well","Feature":"Hydraulic Controlling,Light Weight High Drilling Efficiency","Drilling Diameter":"50-80mm","Drilling Depth":"35m","Shank Model":"\u03c638mmx90mm","Warranty":"6 Months","Impact Force":"\u2265225J","Impact Frequency":"\u226534HZ","Output Torque of Drill Rod":"\u2265140NM","Workable Tunnel Dimensions":"2.2m x 2.2m - 3.0m x 3.0m","Total Air Consumption":"\u2264225L\/s","Drilling Angles":"0-360 degrees","After-sales service provided":"Online support,Video technical support","Weight":"95KG"}}