地址：
上海市闵行区元江路5500号第1幢
电话：
| 基本尺寸 | Model | ||
|---|---|---|---|
| d[mm] | D[mm] | B[mm] | |
| 14 | 22 | RLM1416 | |
| 14 | 22 | RNA4900 | |
| 14 | 22 | NA4900 | |
| 12 | 19 | LM121912 | |
| 12 | 19 | RLM121912 | |
| 12 | 17 | LM1212 | |
| 12 | 17 | RLM1212 | |
| 10 | 17 | RLM101715 | |
| 10 | 17 | RLM101710 | |
| 9 | 16 | RLM916 | |
| 9 | 16 | RLM912 | |
| 9 | 16 | LM91612-1 | |
| 55 | 63 | MF-5524 | |
| 55 | 63 | F-5524 | |
| 55 | 63 | MFJ-5524 | |
| 55 | 63 | FJ-5524 | |
| 55 | 63 | MF-5520 | |
| 55 | 63 | F-5520 | |
| 55 | 63 | MFJ-5520 | |
| 55 | 63 | FJ-5520 | |
| 50 | 58 | MF-5024 | |
| 50 | 58 | F-5024 | |
| 50 | 58 | MFJ-5024 | |
| 50 | 58 | FJ-5024 | |
| 50 | 58 | MF-5020 | |
| 50 | 58 | F-5020 | |
| 50 | 58 | MFJ-5020 | |
| 50 | 58 | FJ-5020L | |
| 45 | 52 | MF-4516 | |
| 45 | 52 | F-4516 | |
