Mining Local Ventilator The design of JK series partial fan comprehensively considers the dust and smoke exhaust air volume, duct air supply distance, common air duct specifications, wind resistance value and the usage conditions in the mine, etc. It is d
1.2 or 4 jack synchronous tension construction.2.computer to accurately monitor the tension data.3.Increases labor costs by 80% for tension construction.4.large tonnage 65-600 tons jack.Focus on customers,customer service.