Back Adjustable Ergonomic Office Chair with double split lumbar support

  • Back Adjustable Ergonomic Office Chair with double split lumbar support
  • Back Adjustable Ergonomic Office Chair with double split lumbar support
  • Back Adjustable Ergonomic Office Chair with double split lumbar support
  • Back Adjustable Ergonomic Office Chair with double split lumbar support
  • Back Adjustable Ergonomic Office Chair with double split lumbar support
  • Back Adjustable Ergonomic Office Chair with double split lumbar support
  • Back Adjustable Ergonomic Office Chair with double split lumbar support
  • video
  • ergofuns
  • Fujian
  • 8-30 Days
  • 8000 sets per month
Certified Quality (BIFMA): Built to meet and exceed BIFMA standards, this chair guarantees durability, safety, and performance. The base has passed a 136 kg load BIFMA strength test, and the gas lift is SGS certified, supporting over 140 kg. Targeted at Middle to Premium Buyer Segment: Designed for discerning buyers who value both advanced ergonomic features and refined aesthetics, making it ideal for executive offices, high-end home workspaces, and professional environments. Flexible MOQ: Suitable for both large-scale importers and boutique resellers, the G4 chair offers flexible minimum order quantities to accommodate various business needs. Option Choices Color Options: Classical Black, Grey Chair Base Material: Aluminum Alloy Base or Chrome Plated Base

G4 Back Adjustable Ergonomic Office Chair with double split lumbar support | Ergofuns

Tired of chairs that leave your back begging for mercy? The G4 Back Adjustable Ergonomic Office Chair is your antidote to discomfort—engineered for those who demand more from their workspace.

workstation chair

ergonomic office chair

BIFMA certified chair

workstation chair

ergonomic office chair

BIFMA certified chair


Don’t settle for average. Choose the G4 and give your clients a reason to rave about your selection. Certified quality, flexible options, and a chair that truly delivers.

Double Split Adaptive Lumbar Support


  • Independently adjustable, tension-controlled lumbar pads for personalized lower back support.


4D Dual-Axis Headrest


  • Fully adjustable for height, depth, angle adjustment, and rotation.

Breathable Mesh, Contoured Seat

  • Contoured for even weight distribution and comfort.

  • horizontal pattern mesh or flocked office chair mesh

Premium aluminum base

  • L-shaped, chrome-plated, 350mm leg length, 74cm diameter, anti-tip, BIFMA-tested for 136kg.


  • BIFMA-certified construction and SGS-certified Class 4 gas lift, supporting over 140kg.

6D Armrests

  • Move up/down, forward/back, left/right, with 360° and 270° rotation; soft PU surface for comfort.

Synchronous Tilt Mechanism

  • Sync tilt with wire control for seat depth and height, plus multi-position recline lock up to 150°.

  • Retractable Flip Footrest: Extendable pedal for added relaxation.

Main FeaturesDetails
FramePA&GF Frame/PU Armrest Pads
BaseAlumimum/Chrome Plated
Gas LiftClass 4 Certified
UpholsteryPolyamide and Polyester Woven Mesh
Weight Capacity330 lbs / 150 kg
AssemblySimple DIY 
WarrantyUp to 3 Years

“Most office chairs claim comfort, but few deliver on true ergonomic support. The G4’s adaptive lumbar system and build quality make it a standout. It’s a must-have for any retailer serious about employee health and customer satisfaction..”

——Jessica Lin, Office Manager

User Experience

David, E-commerce Store Owner
The G4 chair has been a game-changer for our product lineup. Customers love the adjustability, and returns have dropped dramatically.
Sophie, Local Brand Buyer
We needed a chair that looked sharp and performed even better. The G4’s lumbar support and premium build exceeded our expectations.
Ahmed, Office Administrator
Setup was a breeze, and the team instantly noticed the comfort upgrade. The flexible armrests and mesh back are favorites in our office.
Ready to make workdays (and spines) happier?
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