Grandstand seats
The seats feature a built-in automatic return mechanism, allowing them to automatically reset. The return is fast, quiet, trouble-free, and durable. All steel frames undergo pickling to remove rust, alkaline washing to remove oil, phosphating, and drying processes, followed by electrostatic powder coating (matte black or gray). All welded joints on the base are straight, firm, and free of defects; welds are ground smooth; all components are straight; horizontal and vertical strips overlap perpendicularly; interlocking joints fit perfectly; and the bases are secured to the ground with expansion bolts. The assembly is flat, reliable, and stable.
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Parameter Specification
JZX-QY01
Components and Materials
Polyurethane foam, ABS engineering plastic, imported linen fabric, and steel frame.
Parameter Specification
Seat armrest center distance: 580mm, back height: 965mm, seat height: 450mm, seat depth: 440mm
1. The seat and backrest are made of ABS engineering plastic with unique honeycomb-style concealed sound-absorbing vents, achieving an overall sound absorption rate of 0.5, eliminating echoes within 0.1 seconds and ensuring excellent breathability and a noise-free venue.
2. The seat and backrest foam is made of polyurethane foam, ergonomically designed and cold-cured in one piece to resist deformation, provide high elasticity, comfort, and durability; the seat foam density is greater than 50kg/m³, and the back foam density is greater than 45kg/m³.
3. The seat and backrest inner lining is made of 10mm thick seven-layer hardwood plywood, manufactured under high frequency and high pressure, providing strong support, impact resistance, and deformation resistance.
4. Fabric: Imported linen fabric (available in various colors). 5. The armrest surface is made of solid beech or oak wood, or injection molded from PU (PU armrests have an internal metal frame, enhancing rigidity).
6. A concealed folding writing pad can be stored within the armrest legs, making efficient use of space. The round iron writing pad holder avoids the easily broken aluminum alloy holders commonly used in the market; this round iron writing pad holder has a load-bearing capacity of 55KG and is durable.
7. The armrest frame is made of steel plate no less than 1.8mm thick, formed by hydraulic pressing and welding, securing the seat to the floor.

Manufacturing Process Flow
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Tianjin Juzhixin Sports Technology Co., Ltd is an innovative sports technology and import and export sales enterprise based in Tianjin and radiating its business worldwide. It is dedicated to empowering the development of the sports industry with technology
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