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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Data source: Structured from factory data; final measured values prevail.

Overall dimensions (W × D × H)	3500 × 1100 × 750 mm
Seat Cushion Thickness	180 mm
Back Cushion Thickness	160 mm
Leg Height / Floor Clearance	160 mm

PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Data source: Product performance data; verify exact test conditions before procurement.

Product net weight	145 kg
Total static seat load capacity	480 kg
Seat cushion density	40 kg/m³
Back cushion fill density	28 kg/m³
Recommended user count	4 adults
Seat surface abrasion resistance (Martindale)	50000 cycles
Frame joint static load durability	50000 cycles
Seat Foam Density / Rebound	40 kg/m³ / 60%
Upholstery Abrasion Reference	Fabric 60000 cycles; leather-class cover 1.4 mm
Per-seat Load Reference	130 kg/seat

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Upholstery surface	Top-grain corrected black leather
Seat cushion core	High-resilience polyurethane foam wrapped in Dacron
Back cushion core	Polyester fiber wrap over thin foam base
Internal structural frame	Kiln-dried solid hardwood with 18 mm plywood reinforcement
Support legs	Powder-coated matte black carbon steel
Decorative throw pillows	Woven black-and-white geometric pattern fabric
Suspension system	8 gauge sinuous steel springs with polypropylene webbing
Base frame trim	Leather-wrapped engineered wood frame
Tufting hardware	Hidden fabric-covered tufting buttons
Timber Frame Section / Moisture	Primary section ≥30 × 50 mm; recommended moisture 12%
Spring / Webbing Specification	Sinuous spring wire 4 mm; elastic webbing 70 mm wide
Leg Connector Specification	Reference M8-M10 with at least 1 mechanical fixing per leg

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seating configuration	Two-section curved-straight layout with gentle left-side concave arc
Cushion configuration	4 fixed seat cushions and 4 loose tufted back cushions
Included accessories	2 geometric pattern decorative throw pillows
Armrest design	Fully padded square box arms with closed sides
Leg configuration	7 low-profile metal support legs distributed along base
Surface maintenance	Smooth leather surface compatible with water-based leather cleaner
Modular connection	Fixed interlocking hardware between curved and straight sections
Cushion Service Configuration	Recommended 2removable/replaceable cushion methods

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Reference Package Count	1 set / 2 cartons
Reference Assembly Time	40 minutes per set
Reference Module Carton Dimensions	2200× 1050× 850 mm
Reference Packaging Volume	1.8 m³/item
Reference Packaged Gross Weight	110 kg/item

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Residential living room	Large open-plan contemporary living spaces as primary seating
Modern office lounge	Executive reception areas and employee break zones
High-end boutique waiting areas	Hotel lobbies and upscale retail customer waiting spaces
Open-plan home media rooms	Curved arrangement for shared viewing of central screens
Recommended matching furniture	Low-profile black marble or dark wood coffee tables 450 mm in height

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

No standards data is available for this market.

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

No standards data is available for this market.

Standardized tender description text

This product must meet the following technical requirements:
1. Technical standards and test reports must be supplied during tender or purchase confirmation;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Contemporary Curved 4-Seat Leather Sofa combines minimalist modern design with functional, durable construction suited for both residential and commercial shared spaces. Its visual profile features a low-profile, stationary silhouette defined by a two-section layout: a gentle left-side concave arc flows seamlessly into a straight segment, creating an inviting, inclusive seating arrangement. The piece is finished in matte black top-grain corrected leather, paired with seven low-profile powder-coated matte black carbon steel legs that lend a light, grounded aesthetic. Fully padded square box arms with closed sides frame the seating area, while 4 loose tufted back cushions with hidden fabric-covered buttons add soft textural contrast. Two included woven black-and-white geometric decorative throw pillows provide subtle visual depth without disrupting the clean, uncluttered form. Overall dimensions measure 3500 x 1100 x 750 mm, with 160 mm of floor clearance beneath the base, balanced proportions that anchor large spaces without overwhelming surrounding design elements. Beneath its sleek exterior, the sofa is built for long-term regular use. Its internal frame uses kiln-dried solid hardwood reinforced with 18 mm plywood, supported by an 8 gauge sinuous steel spring and polypropylene webbing suspension system. Four fixed seat cushions use high-resilience polyurethane foam wrapped in Dacron with 40 kg/m³ density and 180 mm thickness, while the 160 mm thick tufted back cushions feature a polyester fiber wrap over a thin foam base with 28 kg/m³ density. The leather upholstery delivers 50000 Martindale cycles of abrasion resistance, and frame joints withstand 50000 cycles of static load testing, with a total static seat load capacity of 480 kg to comfortably support 4 adults. The base frame is trimmed in leather-wrapped engineered wood for a polished, seamless finish. Practical design choices streamline everyday use: fixed interlocking hardware secures the curved and straight sections for stable placement, while the smooth leather surface cleans easily with standard water-based leather cleaner. The sofa arrives in two cartons, with a reference assembly time of 40 minutes per set and a packaged gross weight of 110 kg per carton, with total product net weight reaching 145 kg. This seating solution is well-suited for large open-plan contemporary residential living rooms, open-plan home media rooms where its curved shape supports shared viewing of central screens, modern office executive reception areas and employee break zones, and high-end boutique waiting spaces including hotel lobbies and upscale retail customer areas. It pairs cohesively with 450 mm tall low-profile black marble or dark wood coffee tables for a coordinated, polished look. Procurement teams should account for the 1.8 m³ packaging volume per item, plan for adequate entryway and installation space to accommodate the full 3500 mm length, and note that the fixed modular connection creates a single cohesive seating unit rather than fully reconfigurable separate pieces. The unbranded model is identified by SKU CSOFA-CRV3500-BLK for ordering and inventory tracking.

Contemporary Curved 4-Seat Leather Sofa Specifications

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