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Multiplex Vertical Lift Doors
Where conditions include restricted clearances, wide door opening spans, high frequency operation, high impact risk, low multiplex door is necessity.
The multiplex door includes a combination of one or more biades, designed to resist all loads, running vertically in steel angles affixed to the weight box on one side and the guide the other.
The weight box shrouds and guides the counter-weights,and,in conjunction with the header unit and guide,transmits all loade into the foundation, each blade is connected to its indlvidual counter-weight by galvanized aircraft cable suspended over bearing-loaded,machihed steel sheaves that run on solid steel shaft.
This unique design-with fewer moving parts-eliminates deterioration of hinges, roller and torsion spnngs common to other door types.
It assures near effortless operation, either by geared chain hoist or electric operator.
These special design features result in lower maintenance costs and less downtime.
Fold-up-door
Steel folding-up door widely suitabie for all kinds of factories and workshops .It is especially suitabie for the small space opening.it could save more space. Door paneis should be double deck hot-dipped gaivanized steed with embossed pinstriping surface,foamed –in-place CFC-free polyurethane core and steel struts in the back.
Panel thickness:1-3/4,2”
The vinyl (or bush seais )in top side and bottom get over the old seals which easy worn, easy aging, slow change to the environment and etc. lt prolongs the use life.
Operate way: Manual or Electrical
• Hanger Door
Aircraft hangar doors are designed for special environment where doors are exposed to moisture. cold or dusts or for customers having very large door openings. The aircraft hangar door consists of solid, heavy and anticorrosion components.
The electric control system consists of sealed motors for effective prevention of dust erosion, ensuring the stability of the electric control system,
Examples of areas where aircraft hangar doors are widely used are timber, drying kilns, the steel and melting industry ,mineral processing, the fishing industry, shipyards and aircraft hangars.
• Nonstandard Door
Industry Sliding Door
Electnical sliding doors systems are widely auited for all kinds of workshops, warehouse, large garage doors in lndustral and commercial fields.
According to the side space of the entrance,single direction or against direction,single blade or multiplex-blades,beeline or curve could be option-ed. Door supports stye:Top suspended and bottom support should be avallabel.Door frame, pass door frame and joint of the paneis should be special high-strength alloy metal .lt reduces the weight of the door and looks more beautiful.
The vinyl seais (or bush seais) in top side and bottom get over the old seais which easy worn,easy aging,slow change the environment and etc.,it prolongs the use life. | 
