Khung giá đỡ tấm pin năng lượng mặt trời

2%

6%

13%

6%

7%

7%

3%

18%

5%

11%

9%

10%

8%

9%

11%

29%

31%

40%

18%

5%

3%

6%

11%

10%

8%

4%

5%

2%

14%

4%

2%

11%

4%

17%

12%

2%

6%

5%

6%

7%

2%

4%

6%

5%

10%

5%

6%

4%

3%

6%

5%

5%

4%

7%

9%

2%

16%

4%

7%