Jianwei Office Chair

Direct information about the 'Jianwei Office Chair' is not explicitly mentioned, but the following related content can be provided for reference:

1. Modeling Methods for Bow-shaped Office Chairs
   If you need to design or model an office chair yourself, you can refer to the 3Dmax beginner modeling tutorial. This tutorial provides a detailed demonstration of the modeling steps for a bow-shaped office chair, including the symmetrical design, surface adjustment, and detail processing of components such as chair legs, cushions, and backrests. For example, modeling the chair legs requires using the 'Lathe' modifier to generate an arc structure, while the cushion requires adjusting the segment lines through 'Edit Poly' to achieve smooth surface transitions. The backrest part needs to be optimized for local deformation using the 'FFD' modifier. During the modeling process, attention should be paid to the accuracy of the symmetrical layout to avoid structural instability caused by misaligned components; segment line adjustments should be reasonably allocated according to the complexity of the surface to avoid excessive subdivision affecting performance; and rounded corners should be achieved through the 'Chamfer' command to enhance the realism of the model.

2. Types and Characteristics of Common Bow-shaped Office Chairs in the Market
   The 'Double Wooden Horse Series' bow-shaped chair mentioned in the search results is a typical representative, with design features including:

   • Structural Stability: It adopts a thickened bow-leg design, dispersing pressure through a triangular mechanical structure, suitable for users with a heavier weight;
   • Breathability: The chair surface uses mesh fabric material, combined with a hollow structure, effectively reducing the feeling of stuffiness during prolonged sitting;
   • Adjustability: Some models support seat height adjustment, achieving a height adjustment of 5-10cm through a pneumatic rod, suitable for users of different heights;
   • Ergonomic Design: The high-back version adds a headrest to support the cervical spine, suitable for people over 175cm tall, but the lumbar support is relatively weak, not suitable for patients with lumbar spine diseases.

3. Price Range and Purchase Recommendations
   The price range of bow-shaped office chairs in the market varies widely, from 50 yuan to several hundred yuan. Low-priced products (such as the 58-yuan model from Yiwu Zhuohe Daily Necessities Co., Ltd.) usually use plastic chair legs and ordinary sponge cushions, suitable for short-term use or scenarios with a limited budget; mid-to-high-priced products (such as the 140-yuan cross-border wholesale model from Anji Chunyue Furniture Co., Ltd.) mostly use steel chair legs and thickened mesh fabric, offering better durability and comfort. When purchasing, focus on the chair leg material (steel is better than plastic), pneumatic rod certification (must pass SGS or BIFMA certification), and after-sales service (such as warranty period). For long-term use, it is recommended to choose products priced above 150 yuan to balance performance and cost.

If you need further information about the 'Jianwei' brand or specific models of office chairs, it is recommended to supplement the brand name or product details and then query again.