... : AISI 304 /31 1. Large Rotation Angle Glass Routel for point -fixed glass curtain wall2. Patent No: ZL 03 2 ... routel , countersunk head routel, outside-assemble routel , large rotation angle glass routel, leaking proof routel , back-bolted routel, elastic routel, ... 5)° The maximum angle of large rotation angle glass routel can achieve ±15°, to compensate the angle of adjacent glass surfacePatent no: ZL ...