DJB1000-300 hinged roof beams cheap DJB1000-300 hinged roof beams spot DJB1000-300 hinged roof beams made DJB1000-300 Liang Jieshao DJB1000-300 hinged top hinged roof beam parameters DJB1000-300 hinged roof top beam cross beam length DFB metal roof Liang hinged roof beams variety, Shandong Coal meet you! ! ! Hinged roof beams can be used with all types of single pillar with the composition of the metal-metal stents, for horizontal and gently inclined coal mining face support of a high-intensity beam roof top because of this cantilever beam can support the coal face in front of the wall Road transport aircraft above the roof, walls and pillars between the coal has a larger space without support, it is using the new mining machinery and transport can be bent to achieve mechanized coal mining in general provided the conditions are atmining and new high-end mining technology necessary equipment. Hinged roof beams to achieve cantilever support, the coal pillar between the wall and there is no support larger space for the realization of the general mechanization of coal mining conditions. The product is only suitable for blasting mining face, but also atmining face roof support equipment necessary hinged roof beams are mainly based on the π-beam welding accessories made. Hinged roof beam parameters hinged roof beam length: 800mm, 1000mm, 1200mm Model: DJB1000-300 Material: 27simn width: 100mm height: 90mm thickness: 8mm Length: 1000mm Processing: quenching quenching (heat) beam carrying capacity: more than 300kN Shandong coal mining Material Group Co., Ltd. e-commerce company is the province's larger B2B e-commerce company, "the credibility of life, quality of survival." This is the principle of all staff adhering Coal, and also fought forward the goal. Coal is committed to becoming an internationally competitive information service industry groups, large mining equipment manufacturing group, a diversified high-tech Technology Industry Group and Logistics Group for the vision goal, in charge of the state and the society responsible for the customer responsible for the staff responsible for corporate responsibility, a solid foundation, focus on development, to achieve economic and social benefits of the double harvest. Because my company hinged roof beams production batches, depending on the model. For inquiries, you can contact me, I will give you a detailed answer! Shandong Coal Mine Group Address: No. 69, Zone Torch Road, Jining City, Shandong Province