Mechanical structure
| Name | Model | Material | Characteristics | Brand | |
|---|---|---|---|---|---|
| GN 227.1 压制钢轮辐手轮 | GN 277.1 | 压制钢、环氧树脂涂层 | 具有很高的机械强度和抗爆震性能 | ELESA+GANTER |