Material: aluminum profile, mitred corner, glass window, including key Size: A0/A1/A2/A3 /500* ... 700mm/700*1000mm/other size OEM Material: aluminum profile, mitred corner, glass window, including keySize: A0/A1/A2/A3 /500*700mm ... /T in advanceSupply ability: 200pcs/day Lockable Snap Frame, mitred corner