Model: SG-620

Prodcut Category: Office Work Space

Surface Recommendation: Hard floor, Carpet floor.

Ergonomic comfy mesh upholstery office chair

MOQ: 50 sets

Supply Capacity: 8000 sets per month

Delivery Time: 7-30 days depends on the order quantity.

Get Instant Quote Now

Product Description

Designed for modern workspaces and home offices alike, this mesh chair delivers essential ergonomic features at a price point that’s perfect for smart buyers—cost range $50–$70.

The SG-620 features an up-down layout backrest with easy adjustment.

Built with durable elastomeric mesh and a reinforced nylon chair frame, it is perfect for e-commerce and retail sellers looking for a ergonomic mesh chair.

Product Specifications

Model	SG-620/DLS-T9
Frame material	Reinforced PA & GF Frame
Backrest material	Specialty mesh fabric
Maximum load	140 kg
Height Adjustment	8 or 10 cm
Floor to seatbase	45-52 cm
Base Diamenter	70 cm

Product Segmentation

SG-620 with Single Lumbar Pad

A nearly 50cm-wide mesh lumbar pad that naturally flexes and adapts, giving your lower back broad, even, no-fuss support.

SG-620 with Double Lumbar Pads

Dual-spring lumbar curved pads that wrap and adapt to different body shapes. With two springs in each pad, the support is firmer and focused.

Advantages of SG-620 Double Lumbar Support Office Chair

Certified Safety & Quality
Passed BIFMA & EN1335 certified chair parts for reliable, trusted performance.

Flagship quality
Built like a top-tier chair and backed by a 3-year warranty.

Sample Service for Sellers
Quick sample support makes it easy to assess and promote the chair effectively

Smarter, modular packaging
Optimized cartons for safer shipping, faster setup, and easier retail.

Get Instant Quote Now

Features

3D headrest

A 36 cm wide, curved headrest glides 8 cm along a rail, with dual‑axis linkage to widen the angle range for precise neck and head support.

Headrest structure

Headrest ajustment

Mesh Backrest

Zoned for performance: a breathable mesh panel supports your upper back, and a lower lumbar support zone offering dual split pads or a single wide option.

Backrest and lumbar travel together vertically across 4 positions with 5 cm of height adjustment. A rear plastic crossbar makes height tweaks easy—and doubles as a clothes hanger (optional).

Full Ergonomic support

Zoned layout

Height adjustment

Coat hanger

6D armrest

6D armrest option: 8 cm up/down, 4 cm forward/back, dual‑axis rotation (top axis 360°, lower axis 270°) to match your desk, task, and typing angle. Flip them up 90° for instant “armless” clearance and tidy storage.

4D armrest option: Up/down 8 cm, forward/back 4 cm, arm pad rotates 360°(can not filp up).

Nylon support frame with a soft PU top gives your elbows a cushy landing.

6D Armrest

Filp up style armrest

4D Armrest

Seat Options

Breathable mesh seat with medium bounce and firmness keeps you cool and centered.

The arched frame won’t dig into your thighs when you sit; size is 510 mm (W) × 500 mm (D) with 5 cm of seat‑depth adjustment for a dialed‑in fit.

Mesh Upholstery seat

Seat depth adjustment

Tilt Mechanism

A dependable center‑tilt mechanism with a cable control for seat depth lets you tune posture on demand.

The bottom knob adjusts spring tension for your ideal recline force, while the lever handles seat height and three recline lock positions—up to a laid‑back 135°.

Large angle reclining

Swivel tilt

Cable control module

Class‑4 Gas Lift

TÜV‑certified Class 4, explosion‑resistant gas lift for strength and toughness—tested for 120,000 lift cycles. Choose your travel: 80/90/100 mm.

Mesh Upholstery seat

chair base & casters

5‑Star Base

Chrome‑plated cast steel base with a 700 mm diameter for planted stability and a clean, premium finish.
Polished, one‑piece die‑cast aluminum base. Sits 4 cm lower than steel base.

Casters: Soft PU 60 mm diameter, available in black or gray.