It is made of 6MM galvanized sheet by laser cutting and folding. It is equipped with 6 inch universal super heavy nylon wheel (polyurethane universal wheel can be selected) of well-known brands in China, which makes the product more beautiful, more convenient and easy to move. The left and right sides can adjust the width freely; the three kinds of joints can be installed on demand. Make the accident move conveniently and easily. Improve work efficiency. Bearing weight greater than 2 tons