JQA type mechanical jak 1.CE certificate 2.ISO9001 Mechanical JackJQ-A type hand -type mechanical jack of 1.5t,3t,5t,10t,16t,20t are pioneering products at home and are replacement of conventional hydraulic jacks. They are good for repairing the vehicles and lifting the tracks . They are strong in construction with high safety factor, easy to use and very popular with the industrial and mining ...