A folding type chair in which the tension of the sheet material is easily maintained and folded

摘要

this design is to maintain the tension in the sheet, and the posts in a post on the way to the school, especially the unique triangular support for the pet trade. it was the work of remote sensing in the sheet material to support the tension support. the fixed, to maintain. through the study and work in the stem to stem the "figure of a dragon as the combination of a concubine, is convenient to carry.