The system consists of floor, beams, and supports. The beams and the supports with adjustable height are connected with screws to form a stable lower support system. The floor is inlaid on the grid surrounded by the beams.
The all steel open hole ventilation floor is widely used in electronic computer rooms, satellite ground station rooms, radio control rooms, TV transmitter control rooms, microwave communication station rooms, program-controlled switch rooms, clean workshops, electronic instrument factory assembly workshops, confidential optical instrument manufacturing workshops, hospitals, schools and other occasions with ventilation requirements.