Technical Requirements:
1. The main frame of the chair shall be made of round tubes with a diameter of 22mm and a thickness of 1.2mm.
2. The seat board and backrest shall adopt 12mm thick E0-grade high-quality multi-layer boards, with fire-resistant panels laminated on both sides. The exposed edges shall be polished and treated with environmentally friendly transparent paint.
3. The chair backrest shall be installed using riveting installation, and the seat board shall be installed using through bolts.
4. The iron components shall undergo strict acid pickling and phosphating treatment, followed by electrostatic powder coating.
5. The color shall be selected and matched by the supplier, and the final color shall be determined by the purchaser.