Product Type: Dual-linkage office chair mechanism

Material: One piece die-cast and thickened stamped steel

Surface Finish: Electroplated matte black coating

Control Handles: Dual ergonomic levers with grip texture

Gas Cylinder Hole: Center-mounted, universal size

Tilt Function: Yes, with tension knob control

Height Adjustment: Supported via lift rod

Side Control: Extended side locking handle

Structure: Integrated one-piece welded base

Explosion-Proof Feature: Reinforced steel dome design

Load Capacity: Heavy-duty load bearing

Application: Office chair, gaming chair, computer chair

Design: Compact linkage design for dual control

Rotation Support: 360° with compatible base

Mounting Type: Slotted holes for universal compatibility

Swivel Compatibility: Yes

Durability: Withstands 120,000+ lift/tilt cycles

Ergonomics: Improves posture and seating comfort

Color: Matte black

Noise Control: Smooth silent mechanism

OEM/ODM: Custom logos and designs supported

Maintenance: Minimal required

Tension Adjustment: Screw knob for tilt resistance

Seat Base Type: Just office chair base type

Finish Type: Rust-resistant powder coating

Steel Grade: Q235 thickened explosion-proof steel

Posture Support: Yes, ergonomic curve angle design

Weight: Approx. 2.4kg

Installation: Standard bolt-on mount

Balance: Evenly distributed pressure structure

Industrial Use: Chair OEM, repair, upgrades

Angle Lock: Manual side locking lever

Welding: High-strength factory welding

Design Style: Synchronized ergonomic mechanism

Rotation Mechanism: Compatible with gas lift bases

Packaging: Foam + carton boxed

Environmental Coating: Lead-free electrostatic finish

Certification: BIFMA/ANSI Standard Passed

Reinforced Base Edges: For maximum stability

Brand: Weililai Hardware

Origin: Made in China