High efficiency bi-fold tables

As the development of science and technology,  folding table and folding chair material and its structural strength more and more attention for people.  
In order to use materials reasonably and ensure the function of plastic folding table and chairs, it is necessary to analyze and study its structural strength, so as to carry out a better design.  At home and abroad, more and more attention has been paid to the study of foldable and portable furniture, such as plastic folding table and chairs, which play a great role in people's life and also get the attention of researchers.