How to choose the lightning rod protection range?
Household type |
wide range type |
Small No. about 10-30 Square meters |
3.3 about 1764 Square meters |
Medium No. about 30-50 Square meters |
4.3 about 2601 Square meters |
Large No. about 50-100 Square meters |
5.3 about 3721 Square meters |
|
6.3 about 4900 Square meters |
Contact Person : | Steven |
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