Supply Of High Tensile Mild Steel Scissor Linkages Expendable To Length 22 Ft And Width Of 16 Ft With Vertical Clearance 10ft,heavy Duty Industrial Rubber Wheel System To Bear Weight Upto 1 Point 5 To 2 Ton With Locking System And Guide Rod Of 22 Ft For Linear Movement,high Grade Tensile Fastners To Secure The Frame Work Structure Of Collapsible Shelter,heavy Duty Rust Protected Mild Steel Square Rectangular Hollow Section Prefabricated Pillars To Support Frame Size 22 Ft Length X 16 Ft Width X 10 Ft Height,ball Bearing For Track Roller Movable Platform Wheels,heavy Duty Tapered Oblique Roller Bearing For Structural Scissor Joint To Absorbs High Quail Torque Collapsing And Expanding