Supply of major coal mine hydraulic prop outer Note hydraulic pillar outside the injection-type hydraulic prop DN hydraulic prop, floating hydraulic prop, DW hydraulic prop material price fluctuations, real-time pricing, please call inquiry DW Single hydraulic prop is a new body for the fluid at a constant external resistance hydraulic prop is a high grade mechanized mining face of the equipment, but also the longwall face end support equipment. It applies to coal mining face of the roof support and the end plate supporting the head, because of its large carrying capacity, anti-bias load capacity, large working stroke, using a wide range, so it can be used in thin coal seam, the seam and thick Coal Seam Features (1) has a strong anti-bias load capacity and greater stability. (2) high reliability, (3) Light weight (4) a large working stroke, using a wide range (5) strength, high stability (6) ease of use (7) repair and maintenance costs low (8) using neutral water low running costs the main products are: 1, mine support equipment: Mine hydraulic prop, floating hydraulic prop, glass, steel hydraulic prop, three bags of product management, in sufficient quantity, price , welcome to order!