---
product_id: 81441919
title: "hjh OFFICE Executive Chair office chair PRO-TEC 300 robust fabric ergonomic high backrest 3-position lockable synchro mechanism black"
brand: "hjh office"
price: "€ 864.67"
currency: EUR
in_stock: true
category: "Hjh Office"
url: https://www.desertcart.gr/products/81441919-hjh-office-executive-chair-office-chair-pro-tec-300-robust
store_origin: GR
region: Greece
---

# Height-adjustable seat with Toplift mechanism 3-position lockable synchro relax mechanism Durable polyester fabric with 80,000 abrasion cycles hjh OFFICE Executive Chair office chair PRO-TEC 300 robust fabric ergonomic high backrest 3-position lockable synchro mechanism black

**Brand:** hjh office
**Price:** € 864.67
**Availability:** ✅ In Stock

## Summary

> 🪑 Elevate your workspace game with PRO-TEC 300 — where comfort meets executive power.

## Quick Answers

- **What is this?** hjh OFFICE Executive Chair office chair PRO-TEC 300 robust fabric ergonomic high backrest 3-position lockable synchro mechanism black by hjh office
- **How much does it cost?** € 864.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/81441919-hjh-office-executive-chair-office-chair-pro-tec-300-robust)

## Best For

- hjh office enthusiasts

## Why This Product

- Trusted hjh office brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Robust polyester fabric tested for 80,000 abrasion cycles ensures lasting style and durability.
- • **Tailored Posture Control:** 3-position lockable synchro mechanism lets you lock in your perfect recline angle.
- • **Ergonomic Executive Comfort:** Thickly upholstered seat and high backrest cradle you through long workdays.
- • **Safety Certified Excellence:** GS mark certified for top-tier quality and safety standards—work confidently.
- • **Smooth Mobility & Adjustability:** Height-adjustable seat with Toplift mechanism and smooth-rolling casters for seamless office flow.

## Overview

The hjh OFFICE PRO-TEC 300 Executive Chair combines ergonomic design with durable, abrasion-resistant polyester fabric and a 3-position lockable synchro mechanism. Featuring a height-adjustable seat and GS certification for safety and quality, this black high-back office chair supports up to 120 kg and is engineered for professional environments demanding comfort and reliability.

## Description

hjh OFFICE Executive Chair office chair PRO-TEC 300 robust fabric ergonomic high backrest 3-position lockable synchro mechanism black: hjh OFFICE Executive Chair office chair PRO-TEC 300 robust fabric ergonomic high backrest 3-position lockable synchro mechanism black: desertcart.co.uk: Home & Kitchen

## Features

- Height-adjustable seat (Toplift mechanism)
- Comfortable thick upholstered seat
- Durable, abrasion-resistant polyester cover, (80 000 evolutions)
- 3-position lockable Syncro relax mechanism
- This model bears the GS mark and therefore offers the highest level of coordinated quality and safety requirements. Certificate no. S 50522462

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007RTTPC6 |
| Age Range Description | Adult |
| Arm Style | With arms |
| Assembly Instructions Description | Assembly required. Instructions included. |
| Back Style | Solid Back |
| Brand Name | hjh OFFICE |
| Colour | Black |
| Country Of Origin | China |
| Customer Reviews | 4.1 4.1 out of 5 stars (143) |
| Fabric Type | Polyester |
| Finish Type | Painted |
| Form Factor | Recliner |
| Frame Material Type | Alloy Steel |
| Furniture Base Movement | Rock |
| Furniture Finish | Black |
| Global Trade Identification Number | 04260284080631 |
| Included Components | Caster |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required? | Yes |
| Is Customizable? | No |
| Is Extendable | No |
| Is Foldable | No |
| Item Depth | 53 cm |
| Item Dimensions | 53 x 57 x 120 centimetres |
| Item Dimensions D x W x H | 53D x 57W x 120H centimetres |
| Item Shape | Rectangular prism with cylindrical and rounded components |
| Item Weight | 22 Kilograms |
| Leg Style | Wheels |
| Manufacturer | hjh OFFICE |
| Manufacturer Part Number | 608500 |
| Material Type | Fabric |
| Maximum Weight Recommendation | 120 Kilograms |
| Model Name | PRO TEC 300 |
| Model Number | 608500 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Solid |
| Product Care Instructions | Wipe Clean |
| Reclining Position Count | 3 |
| Recommended Uses For Product | Office |
| Room Type | Office |
| Seat Back Interior Height | 54 Centimetres |
| Seat Depth | 53 centimetres |
| Seat Height | 54 Centimetres |
| Seat Length | 53 Centimeters |
| Seat Material Type | Fabric |
| Size | 120.0 x 57 x 53 |
| Sleeping Bag Filling Material | Polyester |
| Special Features | Adjustable Height, Arm Rest, Ergonomic, Seat Lock |
| Style Name | Single |
| Surface Recommendation | Carpet, Hard Floor |
| Tilting | Yes |
| Unit Count | 1.0 count |
| Upholstery Fabric Type | Polyester |

## Product Details

- **Brand:** hjh OFFICE
- **Colour:** Black
- **Material:** Fabric
- **Product dimensions:** 53D x 57W x 120H centimetres
- **Size:** 120.0 x 57 x 53

## Images

![hjh OFFICE Executive Chair office chair PRO-TEC 300 robust fabric ergonomic high backrest 3-position lockable synchro mechanism black - Image 1](https://m.media-amazon.com/images/I/71lOo6aFSML.jpg)

## Available Options

This product comes in different **Color** options.

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**Shop now:** [https://www.desertcart.gr/products/81441919-hjh-office-executive-chair-office-chair-pro-tec-300-robust](https://www.desertcart.gr/products/81441919-hjh-office-executive-chair-office-chair-pro-tec-300-robust)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-10-08*