| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 720 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height range | 540 mm | |
| Backrest height | 720 mm | |
| Backrest width | 500 mm | |
| Headrest dimensions | 480 x 180 x 100 mm | |
| Armrest height from seat | 210 mm | |
| Five-star base diameter | 660 mm | |
| Caster diameter | 60 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight reference | 22 kg | |
|---|---|---|
| Recommended maximum user weight | 150 kg | |
| Cushion foam density reference | 45 kg/m³ | |
| Backrest foam density reference | 35 kg/m³ | |
| Gas lift class reference | Class 3 | |
| Upholstery abrasion resistance reference | 100000 cycles | |
| Caster rolling durability reference | 100000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Headrest upholstery | Black leather matching seat/back, padded foam core | |
|---|---|---|
| Armrest frame | Polished chrome-plated die-cast aluminum with fixed upholstered arm pad | |
| Internal seat frame | Plywood + steel reinforcement frame | |
| Five-star base | Polished aluminum alloy die-cast base with chrome finish | |
| Gas lift cylinder | Chrome-plated steel gas spring with black plastic housing | |
| Casters | Black nylon/POM wheels with chrome housing, 5 pcs total | |
| Sewing thread | High-strength polyester thread | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm | |
| Caster Engineering Specification | 5 PU-tread swivel casters, 60 mm diameter |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 80 mm vertical travel via gas lift cylinder, operated by right-side lever | |
|---|---|---|
| Backrest tilt function | Multi-position locking tilt mechanism with up to 15° recline angle | |
| Swivel function | 360° full rotation around central gas lift column | |
| Mobility | Rolling on 5 dual-wheel casters suitable for hard floors and low-pile carpet | |
| Fixed headrest support | Integrated padded headrest for neck and upper back support in upright posture | |
| Fixed armrests | Synchronized fixed armrests that move with the backrest during tilt | |
| Weight distribution | Five-point base design distributes load evenly for stability at full tilt | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Packing configuration | 1 piece per carton, disassembled flat-pack design | |
|---|---|---|
| Carton dimensions | 850 x 650 x 420 mm | |
| Gross weight | 26 kg | |
| Volume per unit (CBM) | 0.232 CBM | |
| Assembly time | 50 minutes | |
| 20ft container loading quantity | 180 pieces | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set |
Recommended spaces / users / usage modes
| Executive office rooms | Designed for C-suite and management offices as primary work seating, matching premium leather desk sets | |
|---|---|---|
| Conference rooms | Suitable for boardroom and executive meeting spaces where professional aesthetic and long-session comfort are required | |
| Designer workstations | Appropriate for senior designer and architect workspaces requiring ergonomic support and upscale appearance | |
| Hotel business centers | Recommended for hotel executive floors and business center offices requiring durable, professional-grade seating | |
| Home office premium setups | Suitable for high-end home office configurations where both ergonomics and decorative aesthetic are priorities | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
European market access and chemical requirements
| Office chair safety requirements | Applicable to EN 1335:2020 Office furniture - Office chair - Part 1: Dimensions - Determination of safety requirements | |
|---|---|---|
| Office chair strength and durability | Applicable to EN 1335:2018 Office furniture - Office chair - Part 2: Safety requirements |
US and Canada office-furniture standards
| General office chairs standard | Applicable to ANSI/BIFMA X2021 General Purpose Office Chairs | |
|---|---|---|
| Stability testing | Applicable to BIFMA X5.1 Section 8 Stability tests |
Standards applicable to China-market projects
| Seat strength and stability | Applicable to GB/T 10357.7 Furniture - Test methods for stability of office chairs | |
|---|---|---|
| Upholstered furniture flammability | Applicable to GB 20286 Fire retardant property and label for public place furniture and assemblies |
This product must meet the following technical requirements: 1. Seat strength and stability: Applicable to GB/T 10357.7 Furniture - Test methods for stability of office chairs; 2. Upholstered furniture flammability: Applicable to GB 20286 Fire retardant property and label for public place furniture and assemblies; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Open Export ToolGUOYOU High-Back Executive Leather Office Chr, model EHC-HB-001, presents a sleek, modern executive seating solution defined by clean geometric lines and polished chrome accents that complement upscale interior aesthetics. Its high-back silhouette integrates a padded rectangular headrest, pred with fixed upholstered armrests supported by shiny metallic rectangular frames, creating a cohesive, professional visual profile suited to premium work and meeting environments. Constructed with artificial leather upholstery and high-strength polyester stitching, the chr features a padded seat cushion and shaped backrest with foam cores for structured support. The internal seat frame combines plywood with steel reinforcement, while the central support structure includes a chrome-plated steel gas spring with black plastic housing. The chr rests on a polished aluminum alloy die-cast five-star base with a chrome finish, fitted with five dual-wheel casters with chrome housings for smooth mobility. Tilt mechanism plates are made of cold-rolled steel to ensure structural stability during use. Functionally, the chr offers pneumatic seat height adjustment operated via a right-side lever, along with a multi-position locking tilt mechanism for reclining. It supports full 360-degree swivel rotation around the central gas lift column, and its five-point base design evenly distributes user weight for stable performance even at full tilt. The integrated fixed headrest provides neck and upper back support in upright postures, while the fixed armrests move in synchronization with the backrest during tilting to mntn consistent arm support. The casters are engineered for use on hard floors and low-pile carpet surfaces. This executive chr is suited for a range of commercial and premium residential settings. It is designed for C-suite and management executive offices, where it prs seamlessly with high-end leather desk sets. It also works well in boardrooms and executive meeting spaces, delivering full back support during extended sessions. Senior designer and architect workstations benefit from its ergonomic support and upscale minimalist appearance, while hotel executive floors and business centers can leverage its durable, easy-to-mntn upholstery for heavy-use environments. For residential spaces, it fits high-end home office configurations that balance functional ergonomics with decorative appeal. For procurement planning, the chr ships in disassembled flat-pack configuration, with one unit per carton. Single-person assembly requires basic tools. Bulk shipping calculations can account for standard contner loading volumes to support large-scale office furnishing projects. Buyers should confirm material specifications and performance ratings directly with suppliers to align with specific project requirements.
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