Height adjustable desk and chair：
1: Desktop: E1 grade high-density injection molded edge banding board with a thickness of 18mm.
2: Desk and chair bracket: Table bracket: 50 * 25mm, chair bracket: 40 * 20mm elliptical cold-rolled steel pipe, pipe thickness 1.2mm.
3: Chair: Made of brand new environmentally friendly PP hollow blow molded board with ventilation holes that meet human comfort.
4: Book hopper: Made of integral metal plate, formed in one go.
5: Table and chair cover: Made of brand new PP plastic integral grinding tool for one-time injection molding.
6: Metal treatment: Thirteen processes including acid pickling, oil removal, rust removal, cleaning, phosphating, etc.
7: Metal welding: CO2 expansion welding is used, with firm welding, uniform ripples, and no phenomena such as detachment or virtual welding.
8: Spray treatment: Using solvent-free, odorless, and pollution-free solid coating, after electrostatic spraying, it is cured at a high temperature of 230 degrees Celsius to form.
9: Product usage: Student learning, training class learning, tutoring class learning, school classroom.
