
Product Specification
1. Ergonomic contour and high‑resilience foam – Backrest and seat cushion follow natural body curves; back foam density 55 kg/m³, seat foam density 60 kg/m³, offering exceptional comfort and support.
2. Flip‑up writing tablet – Made of ABS composite (thickness ≥15mm) with die‑cast aluminium alloy support and positioning device, fitted with noise‑damping washer for quiet operation.
3. Sound‑absorbing honeycomb shell – Back and seat shells made of high‑quality multi‑layer board with solid wood veneer, featuring honeycomb sound‑absorbing vents; overall sound absorption coefficient 0.5, eliminating echoes within 0.1 seconds for a quiet auditorium environment.
4. Premium materials – High‑quality linen velvet fabric with optional 3M stain resistance, Teflon protection, anti‑static, anti‑bacterial, anti‑mildew, and fire retardancy; meets GB8410‑94, GB17951‑1998, BS7176, and BS5852.
5. Sturdy aluminium alloy construction – Armrest frame and legs made of high‑quality die‑cast aluminium alloy with polished and oil‑sealed surface; adjustable leveling for venue slopes.
6. Reinforced backrest structure – Reinforced cross tube under the backrest transfers load‑bearing points, providing superior durability and stability compared to traditional designs.

Main Materials: LF‑3232 series fabric + main iron frame + upper and lower wave‑shaped seat boards + seat wood board and sponge 28/70
Tray: ZT‑02 Square Tray / Plastic handle
Gas Lift: 80 Black Sand Texture Gas Lift / Boter Grade 3
Base: 300 Stretch Base / Black Sand Texture Spray Plastic / With matching Black Sand Texture Spray Plastic decorative cover
Casters: 20#80# Grade B
Detailed Specifications
Back Cushion: Made of cold‑cured molded foam sponge, featuring high resilience and ultra‑soft characteristics; density is 55 kg/m³.
Seat Cushion: Made of sponge + steel frame + elastic bands integrally molded foam, featuring high resilience and ultra‑soft characteristics; density is 60 kg/m³.
Seat and Back Shell: Made of high‑quality multi‑layer board hot‑press molded, surface laminated with solid wood veneer, processed by high‑frequency waves and high pressure. It offers strong load‑bearing capacity, impact resistance, and anti‑deformation properties. Equipped with a unique honeycomb sound‑absorbing air hole structure, the overall sound absorption rate is 0.5, capable of eliminating echoes within 0.1 seconds across the entire venue, ensuring good ventilation for the seats and a noise‑free environment in the whole auditorium.
Upholstery Fabric: Made of high‑quality linen velvet, featuring wear resistance, color‑fastness, moderate softness, and easy cleaning. Color and texture can be customized. Additional treatments available: 3M stain resistance; Teflon liquid repellency and dust resistance; anti‑static, anti‑bacterial, anti‑mildew, and fire retardancy. Flame retardant performance meets Chinese GB8410‑94, GB17951‑1998, and British BS7176 and BS5852 standards.
Armrest Frame and Legs: Made of high‑quality aluminium alloy die‑cast molded, surface polished and sealed with oil treatment. Can be adjusted for leveling according to the slope of the venue.
Reinforced Connection Structure: A reinforced cross tube is installed under the backrest, transferring the load‑bearing points of the seat to the cross tube, making it more durable and sturdy compared to traditional seats where the load‑bearing points are on the sponge at the bottom of the backrest.
Armrest Cover: Made of walnut solid wood or PU as the armrest cover.
Writing Tablet: The panel is made of ABS composite material one‑time die‑cast molded, with a thickness of no less than 15mm. The pivot uses a unique positioning device and is fitted with a noise‑damping washer. The support and connection structure is made of die‑cast aluminium alloy.
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This auditorium chair model WLCH358S features a centre‑to‑centre distance of 560 mm, overall width of 740 mm, seat depth of 630 mm, overall height of 1030 mm, armrest height of 430 mm, seat height of 460 mm, and backrest height of approximately 70 mm. Product dimensions are W560 × D575 × H775/855 mm. Main materials include LF‑3232 fabric, iron frame, wave‑shaped seat boards, and wood board with sponge 28/70. Back cushion density is 55 kg/m³ and seat cushion density is 60 kg/m³, both offering high resilience and ultra‑soft comfort. The flip‑up writing tablet is made of ABS composite with a thickness of at least 15 mm, supported by die‑cast aluminium alloy with a noise‑damping washer. The sound‑absorbing honeycomb shell achieves a coefficient of 0.5, eliminating echoes within 0.1 seconds. Upholstery uses high‑grade linen velvet with optional stain‑resistant, anti‑static, anti‑bacterial, anti‑mildew, and fire‑retardant treatments, meeting GB8410‑94, GB17951‑1998, BS7176, and BS5852. The armrest frame and legs are constructed from high‑quality die‑cast aluminium alloy with adjustable leveling. A reinforced cross tube under the backrest enhances structural durability. Ideal for high‑end meeting rooms, auditoriums, conference halls, screening rooms, and multi‑functional venues.