| ☆ | (2016/2/19) |
| ☆ China | (2016/1/22) |
| ☆ Management Provisions of Preventing Electric | (2016/1/12) |
| ☆ China Electric Power Industry Standard—DL/T 1404-2 | (2016/1/12) |
| ☆ | (2016/1/12) |
| ☆ China Machinery Industrial Standard—JB/T 8455－1996 | (2016/1/12) |
| ☆ | (2016/1/12) |