| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 720 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height range | 540 mm | |
| Backrest total height | 780 mm | |
| Backrest width | 500 mm | |
| Headrest section height | 220 mm | |
| Armrest height from seat | 210 mm | |
| Armrest pad dimensions | 260 x 80 mm | |
| 5-star base diameter | 700 mm | |
| Seat cushion thickness | 100 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
| Recommended static weight capacity | 150 kg | |
|---|---|---|
| Net weight reference | 22 kg | |
| Gas lift stroke | 80 mm | |
| Tilt recline angle | 13 degrees | |
| Caster rolling durability | 100000 cycles | |
| Stitch pitch on upholstery | 6 stitches per 25 mm | |
| Tilt recline angle (maximum) | 13 degrees | |
| Foam indentation load deflection (seat) | 45 kg | |
| Backrest foam density | 35 kg/m³ | |
| Static base load rating | 1100 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Smooth black leather finish, fully wrapped padded surfaces | |
|---|---|---|
| Seat cushion padding | Molded polyurethane foam core under upholstery | |
| Backrest padding | Layered polyurethane foam with integrated headrest pad | |
| Inner support frame | Plywood and steel reinforced frame inside seat and back | |
| Armrest supports | Hard plastic vertical posts with flat rigid top pads | |
| Height adjustment gas lift | Chrome-plated steel pneumatic cylinder | |
| Tilt mechanism chassis | Black steel plate mechanism under seat | |
| 5-star base | Polished chrome-plated steel 5-point frame | |
| Casters | Black nylon twin-wheel casters with chrome housing | |
| Armrest top pad finish | Matte black hard plastic surface, co-molded with armrest support post for rigidity | |
| Backrest side trim | Black rigid plastic trim strips running vertically along both edges of the backrest, covering frame attachment points | |
| Upholstery stitching thread | High-strength polyester thread used for all panel seams, with uniform stitch spacing |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | Operated via right-side lever, lifting the seat through 80 mm of vertical travel using a gas spring cylinder | |
|---|---|---|
| Synchronous seat-back tilt | Seat and back recline together at a proportional ratio, with a maximum 13-degree backward tilt from upright, controlled by a tension knob and locking lever | |
| 360-degree swivel rotation | Full continuous rotation around the central gas lift axis, supported by a bearing in the tilt mechanism | |
| Fixed height armrests | Rigidly mounted armrests at a fixed 210 mm height above the seat, with no vertical, horizontal or pivot adjustment | |
| Mobile rolling base | Five dual-wheel casters allow smooth rolling on hard office floors, with the 700 mm diameter base providing stable tipping resistance | |
| Tilt tension adjustment | Rotary knob under the seat adjusts the spring force required to recline the backrest, accommodating different user weights | |
| Tilt lock function | Side lever engages to lock the seat-back assembly at any recline angle within the 0 to 13 degree tilt range, maintaining a fixed seated posture | |
| Seat front edge waterfall design | Rounded downward-curving seat front edge reduces pressure on the underside of the user’s thighs during extended seated periods | |
| Tilt mechanism chassis width | 380 mm | |
| 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 chair per carton, knock-down disassembled state | |
|---|---|---|
| Carton dimensions | 780 x 560 x 380 mm | |
| Gross weight per carton | 26 kg | |
| Volume per carton | 0.166 CBM | |
| Assembly time | 30 minutes | |
| 20ft container loading quantity | 180 units | |
| Assembly time (single person) | 30 minutes | |
| 40ft HQ container loading quantity | 420 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Private executive offices | Suitable for C-suite and senior management workstations, providing a formal premium appearance and full back support for long working hours | |
|---|---|---|
| Conference and boardrooms | Appropriate for head-of-table seating in premium meeting rooms, offering a professional aesthetic and comfortable tilt function for extended meetings | |
| Home office premium setups | Suitable for users seeking a commercial-grade executive seating experience in home workspaces, with adjustable height and tilt for varied use | Suitable for dedicated home offices with sufficient floor space for the 700 mm base swing radius | |
| Reception and visitor areas | Can be used in premium reception suites to match executive office interior design, providing consistent brand image for guest seating | |
| 8-hour daily commercial use | Designed for full-time office use with recommended maximum 150 kg user weight, supporting typical office work, video calls and focused tasks | |
| Executive training and seminar rooms | Suitable for leadership training centers and high-level seminar rooms, offering ergonomic support for extended training sessions while maintaining a professional executive-grade appearance | |
| Co-working space executive suites | Appropriate for premium co-working private office suites and dedicated executive membership workspaces, providing a high-end seating option for premium tier members | |
| Recommended Matching Desk Size | 2.4 m executive desk |
European market access and chemical requirements
| EN 1335-1:2009 Office furniture - Office chairs - Part 1: Dimensions | Applicable standards and test results require confirmation | |
|---|---|---|
| EN 1335-2:2009 Office furniture - Office chairs - Part 2: Safety requirements | Applicable for structural safety, stability, strength and hazardous edge assessment of executive swivel chairs | |
| EN 1335-3:2009 Office furniture - Office chairs - Part 3: Test methods | Applicable as the corresponding test procedure standard for EN 1335safety and performance requirements | |
| EN 1022:2018 Furniture - Seating - Determination of stability | Applicable for evaluating static tipping stability of the chair under different loading conditions |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 General Purpose Office Chairs | Applicable for durability, stability, static and cyclic load testing of commercial executive office chairs | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 Office Chair Casters and Bases | Applicable for caster rolling durability, base static strength and impact resistance performance verification | |
| BIFMA G1-2021 Ergonomic Guidelines for Office Furniture Seating | Applicable for evaluating seat depth, backrest support and height adjustability against recommended ergonomic ranges |
Standards applicable to China-market projects
| GB/T 38051-2019 Office furniture - Office chairs | Applicable standards and test results require confirmation | |
|---|---|---|
| GB/T 3324-2017 General technical requirements for wood furniture | Applicable for plywood inner frame material physical and chemical performance verification |
This product must meet the following technical requirements: 1. GB/T 38051-2019 Office furniture - Office chairs: Applicable standards and test results require confirmation; 2. GB/T 3324-2017 General technical requirements for wood furniture: Applicable for plywood inner frame material physical and chemical performance verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Open Export ToolThe High-Back Black Leather Executive Office Chr (model EX-HB-LBK-001) is an unbranded executive seating solution designed for formal, high-use work and meeting environments. Its visual profile features a fully wrapped smooth black leather upholstery with uniform stitched panel seams, a contoured high-back structure with an integrated padded headrest section, and rigid black T-shaped armrests. The chr rests on a polished chrome-plated 5-point steel base fitted with black nylon twin-wheel casters, creating a balanced contrast between the dark upholstered body and reflective silver base that complements premium interior design schemes. Construction relies on a plywood and steel reinforced inner frame for core structural support, pred with molded polyurethane foam padding in the seat and layered polyurethane foam in the backrest for cushioning. Key components include a chrome-plated steel pneumatic gas lift for height adjustment, a black steel tilt mechanism chassis under the seat, hard plastic armrest supports with matte black rigid top pads, and vertical black rigid plastic trim strips along the backrest edges that cover frame attachment points. All panel seams use high-strength polyester thread for consistent, durable stitching. Core practical functions include pneumatic seat height adjustment controlled via a right-side lever, synchronous seat-back tilt with a tension adjustment knob and locking function that secures the recline position, full 360-degree swivel rotation around the central gas lift axis, fixed-height armrests, and a mobile rolling base for easy movement across hard floor surfaces. The seat features a waterfall front edge design that reduces thigh pressure during extended seated periods, while the wide 5-star base delivers stable tipping resistance for dly use. This chr is suited for a range of commercial and premium residential spaces. In commercial settings, it works well in private executive offices for senior management, head-of-table positions in conference and boardrooms, premium reception and visitor areas, executive trning and seminar rooms, and private executive suites within co-working spaces. For residential use, it fits dedicated premium home office setups with adequate floor space to accommodate the base swing radius. It supports full-time 8-hour dly commercial use for tasks including standard office work, video calls, and focused work sessions. Procurement teams should note that all specified dimensions, weight capacities, foam density ratings, mechanism performance metrics, and logistics figures are reference s, and require confirmation directly from the supplier via material specifications, test data, and bill of materials verification. The chr ships in a knock-down disassembled state, one unit per carton, and requires single-person assembly using standard tools.
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