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地址：上海市寶山區寶安公路655號
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地址：佛山市順聯機械城17棟710室
|
材質 缺陷 |
灰鐵 | 球鐵 | 鋼 | 鋁 | 銅 |
| 3mm*3mm | 8~10s | 8~10s | 8~10s | 10~25s | 20~30s |
| 5mm*5mm | 15~20s | 15~20s | 15~20s | 20~30s | 30~50s |
| 10mm*10mm | 30~50s | 30~50s | 30~50s | 50~90s | 70~100s |
| 15mm*15mm | 120~240s | 120~240s | 120~240s | 180~240s | 240~360s |
