Ergonomic Office Chair
Model No.: HF03A-A
This high-back ergonomic office chair features a 3D adjustable headrest, 7CM height-adjustable lumbar support, 5CM sliding seat and 4D adjustable armrests. The self-weight forward-tilt mechanism provides flexible reclining adjustment, while the 3-stage gas lift and shock-absorbing PU casters ensure smooth and comfortable daily use.
DESIGN CONCEPT
Executive Modern High Back Mesh Ergonomic Office Chair with 3D Headrest ——
Introduce of seat and back
An ergonomic chair should support the waist, back and shoulders of the human body in working status, while providing comfortable support for the waist, back, head and neck in leisure status. This chair features a 5CM sliding seat, 7CM height-adjustable lumbar support and a 3D adjustable headrest, with 4D armrests and a forward-tilt function for a comfortable ergonomic sitting experience.


Executive Modern High Back Mesh Ergonomic Office Chair with 3D Headrest ——

Automatic flexible lumbar support
The ergonomic chair features flexible lumbar support that adjusts to users of different body types and working positions, providing comfortable support for the lower back. With 7CM height adjustment, the lumbar support helps maintain a comfortable sitting posture and effectively relieve waist fatigue during long periods of sitting.
(3 positions with a 5CM adjustment range) This function can meet the needs of users of different heights and provide better head and neck support in different sitting positions.
The 4D armrests can be adjusted
The 4D armrests can be adjusted up & down (10CM), front & back (5CM), left & right, and at different angles (45°) to meet the needs of users of different heights and provide optimal arm support in different sitting positions.
The seat sliding function
(5CM adjustment range) This function can meet the needs of users of different heights and provide better leg support and a more comfortable sitting position in different sitting positions.
The self-weight mechanical forward-tilt chassis features a forward-tilt function and seat height adjustment to meet the needs of users of different heights and body types for a more comfortable sitting position in different use environments.

The seat cushion uses high-resilience molded foam with a 5CM sliding function, 450MM seat depth and 450MM seat height, with a seat-back linked forward-tilt function. The 3D headrest features 5CM height adjustment, 5CM forward adjustment and rotation function, providing flexible head and neck support.
The backrest is 660MM high and features a TPEE high-resilience mesh frame with full fabric upholstery. The high-resilience molded foam lumbar support provides 7CM height adjustment, with an aluminum alloy handle for convenient adjustment.
The 4D armrests are connected to the back frame and feature 10CM height adjustment, 5CM front & back adjustment, left & right sliding and 45° swivel adjustment.
The FO45-N self-weight mechanical forward-tilt chassis provides a flexible forward-tilt function. The 3-stage gas lift and 60MM shock-absorbing PU casters provide smooth and stable daily use.
The frame is made of black PP, with aluminum alloy lumbar support handle and back frame fixing parts. The 340MM PA black base provides stable support, while the gray Ant fabric with 5CM composite foam offers a comfortable and durable surface for daily office use.




| Test and Requirement | BIFMA TEST(MAIN)STANDARD | NATIONAL STANDARD(MAIN)TEST STANDARD |
| Legs(Base)Durabitity test | Base pressure: 11125N Continued: 1Minute Cycles: 2 times | Base pressure: 7560N Continued: 1Minute Cycles: 2times |
| Amrest Strength testVertical | Functional Load: 890N Continued: 1Minute Destructive Load: 1335N Continued: 1Minute | Functional Load: 750N Continued: 1Minute |
| Amrest Strength testHorizontal | Functional Load: 445N Continued: 1Minute Destructive Load: 668N Continued: 1Minute | Functional Load: 445N Continued: 1Minute |
| Seat Cushion(Seat)Impact Test | Functional Impact: 102KGFree Fall Height: 152MM | Impact: 102KGFree Fall Height: 152MM |
Destructive Impact: 136KGFree Fall Height: 152MM | ||
| Seat Cushion(Seat)Durability Test | Impact: 57KGFree Fall Height: 50MM Times: 100000 | Impact: 57KG Free Fall Height: 30MM Times: 100000 |
| Tilting Mechanism Endurance Test | Load: 102KG Pull: 45KG Times: 300000 | Times: 300000 |
| Tilting BackrestEndurance Test | Functional Test: 90.7KG Continued: More than 1Minute Destructive Test: 136KG Continued: More than 1Minute | N |
Q: Are you a factory or trading Company?
A: We are a factory, can accept OEM, produce all kinds of office seatings.
Q: What is your MOQ?
A: We don’s requested MOQ for each model ,but more quantity cost less.
Q: Can u put our logo on the product/ cartons?
A: Yes. You could send your fabric logo to us, and then we can put your logo on chairs. Additionally, we can print your logo on cartons.
Q: How to place the order?
A: Just send enquiry to us of your request and then We will quote the price with your details. After checking the unit price & order details, payment terms and delivery terms, we'll make proforma invoice for you to place the order and pay.
Q: What is your Payment terms?
A: TT: 30% advance payment, 70% balance before loading. Others trade term are negotiable, Such as LC, Alipay, ect.
Q: What is the warranty?
A: 3-5 Years according to model, and the replacement will be ship out with next order for free.
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+86 757 2337 0962
Mob.: +86 139 2823 3768
E-mail: info@smschair.com
QQ: 610679440
No. 78 Lianglong Road, Xiqing Industrial Zone, Longjiang Town, Shunde District, Foshan City, Guangdong, China