Lijan Greentech is Manufacturer and Supplier of Sand Trap Louvers and Grill Louvers. Both are Intended for Industrial or Commercial Buildings. Louvers Helps to Increase Ventilation in the Building. Louvers Permits Entry of Fresh Air from Outside. Sand Trap Louvers Ensure that Dust Will Not Enter Inside the Building. Louvers Along With Roof Ventilators Ensure Cross Ventilation 24 hrs a day.
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