The standard grid profiles (U shape) size we have: 10mm or 15mm wide, 40 mm 60mm and 80mm tall.
The dimensions of grille we have 50X50, 75X75, 100X100, 125X125, 150X150, 200X200mm.
Minitype Grille Specification(mm): 10*10, 15*15, 25*25, 30*30, 40*40, 50*50, 60*60

Merit:
Open interspaces
Avail for dispose the ventilation & fire protection equipment
Flexible suspension system make each ceiling tiles easy install and disconnect
Surface color guarantee 10 years for indoor use
Easy to match lamps or other ceiling parts

Recommend applying in these places below:
Shopping mall, supermarket
Airport, bus station, restaurant

Performance:
The best angle of views: 7-50 deg

Fire proof ability:
British Standards Institution fire test pass (BS476).