15
14
1
3
6
3
4
9
5
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12
6
4
9
2
15
3
10
5
11
1
8
Dalian Sunlight PP Corrugated Pipe Line. DN/ID400, DN/ID500, DN/ID600, DN/ID800
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9
5
3
13
15
8
9
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9
5
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15
15
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6
4