We can supply the complete set Heavy Duty Screw Jack Lifting System which includes heavy duty screw jacks, high torque miter gearboxes, unversal joint couplings and line shafts, gear motors etc. Heavy Duty Screw Jack Lifting System is used in theatre stage lifts, sheet steel and steel pipes production lines, coil sheet slitter lines, paint coating lines, rewinding lines, pickling lines, cnc cut to length lines, continuous hot dip galvanizing lines, spray infeed conveyor lift systems, wood working machines, plastics processing machines, textile machines, assembly equipment in the automobile and aircraft industries, food and beverage production equipments, packaging machines, adjusting synchronous coil feed lines rolls, feeder levelers and railway maintenance lifting platform.