Office Chair Reinforced Model
The Office Chair Reinforced Model is a specialized product designed for users weighing between 200–240 jin (100–120kg). Its core feature is the enhancement of load-bearing capacity and stability through structural reinforcement, with specific configurations tailored to different weight ranges.

I. Standard Reinforced Model (200–240 jin/100–120kg)
- Structural Reinforcement: Utilizes thickened steel frames (such as square or round tubes) and thickened five-star bases, significantly improving resistance to bending. For example, the Shuangmuma Reinforced [Square Tube] - Gray-Black - Medium Back model employs a square tube bow foot design to further distribute pressure and reduce shaking risks.
- Chassis Reinforcement: Equipped with double crossbeams and a reinforced chassis to enhance overall stability and prevent structural deformation caused by concentrated weight.
- Seat Cushion and Gas Lift: The seat cushion is thickened to disperse pressure, and the gas lift is selected from four or five-stage explosion-proof models, marked with a load capacity of 120–150kg, ensuring safe lifting and lowering.
- Material Selection: The base prioritizes steel or aluminum alloy feet to avoid breakage due to insufficient load-bearing capacity of thin nylon materials, extending the product's lifespan.
II. Heavy-Duty Model (240–300 jin/120–150kg)
For users weighing over 240 jin, choose the model marked 'Heavy Duty,' which features further upgraded configurations:
- Full Steel Frame: The entire structure adopts thickened steel pipes, increasing the load-bearing capacity to over 150kg.
- Seat Cushion and Footrest: The seat cushion is thickened and widened to accommodate body shape, with aluminum alloy five-star feet replacing ordinary materials. The explosion-proof gas lift is marked with a load capacity of 150kg.
- Chassis Design: A fully welded chassis enhances structural rigidity, reducing the risk of loosening after prolonged use.
III. Industrial-Grade Reinforced Model (>300 jin/>150kg)
Users weighing over 300 jin should opt for industrial-grade products, clearly marked with a load capacity of 400–500 jin (200–250kg):
- Extra-Thick Steel Pipes: The structure employs thickened steel pipes (such as those with a diameter of over 50mm), with solid aluminum alloy feet replacing hollow designs for stronger impact resistance.
- Fully Welded Process: The chassis and brackets are fixed through full welding, eliminating joint gaps and preventing local stress concentration.
- Explosion-Proof Certification: The gas lift has passed international explosion-proof certifications (such as BIFMA standards), with a clearly marked upper load limit to ensure safety in extreme situations.
Purchase Recommendations: Select the appropriate model based on weight, prioritizing the examination of the product's marked load-bearing range and material descriptions to avoid safety hazards caused by overloading. If daily use involves frequent movement or tilting, pay extra attention to the non-slip design of the five-star feet and the balance of the chassis.



