517 Office Chair

The products directly related to '517 Office Chair' mainly include Fumanheng FMH517, while Lanbao D517 is not an office chair but an exercise bike. Here are the specific introductions:

Fumanheng FMH517
This product is from the brand Fumanheng and is manufactured in Zhengzhou, Henan Province, China. Its furniture material is metal, which generally has high strength and durability, ensuring the structural stability of the chair and enabling it to withstand a certain amount of weight and usage pressure. The upholstery material is mesh fabric, which offers good breathability and prevents users from feeling stuffy during long periods of use, making it particularly suitable for people who work for extended hours in an office environment. It is a general-purpose office chair with a wide range of applications, suitable for use in offices, studies, and other places. Additionally, it is an ergonomic chair designed to fit the curves of the human body, providing good support for the body, reducing physical fatigue, and helping to improve work efficiency and comfort. However, this chair is not adjustable in height, meaning its height is fixed and cannot be adjusted flexibly according to the height of different users or usage scenarios. It also does not come with a headrest, which may be inconvenient for users who need to rest their heads for extended periods. Furthermore, it lacks a footrest, preventing users from placing their feet on it to relax during breaks.

Lanbao D517
Although its product number is 100006013666, with a gross weight of 27.0kg and manufactured in Jinhua, Zhejiang Province, it is not an office chair but an exercise bike. Exercise bikes are primarily used for fitness and exercise, simulating the action of cycling to achieve the goals of physical fitness and enhancing cardiovascular function, which are completely different from the functions and uses of office chairs.