Double door Butterfly ventilation window

Date of issue：2020-12-18 07:23:59Number of visits：

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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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