May 3
TSTC balanced door with movable door pivot design could decrease the wind resistance, even the big door body could be open easily with small
TBD100 is the balanced door from TSTC. Balanced door is an optimal oversized door solution which uses the principles of aerodynamics and leverage, could make the swing door with hundreds of kilograms can be easily opened and closed, so it also called heavy-duty swing door or force saving swing door.