HDPE ADC12 Alloy Integrated Stadium Spectator Chairs

This integrated stadium seating strictly complies with QB/T2601-2013 industry standards and international design specifications, featuring standardized dimensional parameters including 430mm seat width, 390mm backrest height and 340mm seat depth. The overall installed depth reaches 500mm, total height 750mm and installation center distance 480mm, delivering elegant appearance and ergonomic sitting comfort. As professional Stadium Spectator Chairs, the product adopts premium 5502 high-density polyethylene raw material and hollow blow molding technology for stable and durable seat body performance. The chair feet are precision die-cast of ADC12 grade aluminum alloy, treated with phosphating and electrostatic powder spraying to achieve excellent rust resistance, easy cleaning and long-term structural stability. All metal fittings are fully concealed to prevent accidental injuries during use. Fixed with high-strength expansion bolts on C25 concrete steps, each fastener bears a tensile forc…