Product Type: Chair mechanism base plate

Material: Cold-rolled stamped steel

Structure: Reinforced one-piece construction

Surface Finish: Black electroplated coating

Handle: Integrated tilt control handle

Function: Height adjustment + tilt locking

Gas Lift Hole: Standard universal size

Compatibility: Fits office, computer, and gaming chairs

Design: Ergonomic and supportive

Thickness: Thickened steel for explosion-proof performance

Mounting Holes: Pre-drilled for universal installation

Mount Size: Multi-slot for flexible installation

Base Shape: Rectangular support structure

Finish Type: Matte anti-rust coating

Durability: Anti-wear and corrosion resistant

Weight Capacity: Heavy-duty load bearing

Rotation: 360-degree support with swivel base

Noise Level: Silent mechanism

Shock Absorption: Yes, when paired with gas lift

Usage Scenario: Task chair, executive chair, gaming seat

Product Color: Black

Packaging: Protective wrap with carton box

Maintenance: Low maintenance required

Customization: Logo, size, and color OEM available

Steel Grade: High-strength Q235 steel

Explosion-Proof: Yes, thickened dome and side walls

Swivel Support: Integrated into center hole

Standard: BIFMA passed component

Mount Hole Reinforcement: Welded back support

Coating: Anti-rust, electroplated finish

Stability: Balanced and secure load distribution

Installation: Easy bolt-on structure

Dimensions: Standard industry fit

Ergonomics: Supports posture-friendly seating

Weight: Approx. 1.8kg

Load Test: Passed over 120,000 cycles

Center Mount Compatibility: For class 2/3/4 gas cylinders

Industrial Use: Chair manufacturing and repair

Feature: Just office chair base standard

Brand: Weililai Hardware

Origin: Made in China