1. Frame: bent wood, frequently hot pressed, chemically treated with moisture-proof, anti-corrosion and insect-proof. It has good strength performance and good seismic resistance. 2. Handrails: rounded corner wooden strip design, seamless splicing corners using rounding process. 3. Cushion and backrest: all of them are made of soft bags and high-density sponges made of materials that meet the requirements of flame retardant grades to prevent bedsores. 4. It adopts high-quality soft-pack PU, which has the characteristics of wear-resistant, waterproof, antibacterial and mildew-proof, fireproof and flame-retardant, and resistant to medical disinfectants; 5. Using domestic first-line brand paint, the finished product has a clear texture, a full surface, and a bright gloss.