Customized Grating(Architectural) - Custom grille: custom grille is according to the drawing of irregular shapes and sizes provided by customers.
Production Methods: 
1. Twisted Steel: the more common method; to twist steel as crossbar. 
2. Double Flat Steel: made by interlacing two flat iron. 
3. Detailed Type: the main lever spacing of 12.5mm; used for barrier-free space and the general spacing of 30 or 35.3mm. 
4. Interspersed Type: Interspersed with round iron to middle of flat steel.