1. Desktop: 600*400mm using high density polyethylene (HDPE) as raw material, hollow blow molding process;
2. seat back: 380*380mm using high density polyethylene (HDPE) as raw material, hollow blow molding process;
3. Book cover: The wall thickness of high quality stretched steel ≥1.0mm;
4. Table and chair tube wall: 1.5mm wall thickness round tube, adjustable;
5. Table foot: 1.5mm wall thickness, foot cover bottom has 4 balance adjustment mechanism.