Single door Butterfly ventilation window

Date of issue：2020-12-18 07:22:20Number of visits：

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Butterfly ventilation window

characteristic:

A. corrosion resistance, aging resistance and no deformation.

B. High temperature and cold resistance, double insulation

C. High strength

D. Tightly sealed

F. Drive on, more accurate control of air intake

G. ABS engineering plastics and PVC plastic steel materials

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