When buying DJB1000/300S double wedge top beam, look for Jining Guolong

Supply high-quality double wedge roof beams. To buy D double wedge roof beams, look for Jining Guolong
Jining roof beams
To buy double wedge roof beams, choose Jining. The delivery is cheap and the quality is stable
D long beam D metal Top beam D cross-shaped top beam D double wedge top beam D hinged top beam D-shaped metal top beam
D metal top beam model: D, DDD
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Double wedge roof Beam model: DD
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D Metal roof beam: D/D/D/D/< br/> Good quality and reasonable price. This type of roof beam is a hinged roof beam. It can be matched with various types of single metal pillars to form a metal bracket for coal mines to support horizontal and gently inclined mining working faces with high strength. Head beam. Because this kind of roof beam can cantilever support the roof above the conveyor road in front of the coal wall of the working face, there is a large unsupported space between the coal wall and the pillars. Therefore, it provides conditions for the use of new coal mining machinery and flexible conveyors to achieve general mechanization of coal mining. It is the necessary supporting equipment for high-end general mining and new high-end mining technology
=> Specifications and models
Length
Height< br/> Allowable load ()
Allowable bending moment ()
Adjustment angle
Overall hardness
Weight

Hinge
Beam Body
Beam body
Hinge part
Beam body
Hinge part
Up and down
Left and right
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Our company's main business
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