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The advantages of spiral duct

Nine Advantages:
1) product support good, high standardization;
2) closed strong;
3) The ventilation loss is small;
4) to facilitate factory testing;
5) Anti-balanced external pressure (negative pressure) program;
6) material Province;
7) The installation cost is low;
8) Install the overall layout of appearance;
9) routine maintenance easy to clean.

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ADD: Chengnan Developing Zone, Shaoxing, Zhejian TEL: 0575-88322482  FAX: 0575-88323469
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