5-7 days. The essence of pt door is hanging+horizontal opening. The whole structure is composed of door frame, push-pull fan, horizontal opening fan, hanging rail and hardware fittings, which takes 5-7 days to complete. In order to open the door leaf in two ways at the same time, two groups of hanging cabinets will be installed on the door, one on the door frame and the other on the top of the sliding door. At the same time, two groups of pulleys will be installed at both ends of the sliding door, so that the pulleys and the hanging cabinet can be used together to form a pt door that can be pushed and pulled horizontally.