... kinds of specifications:with Y/U/V/H groove; with diameter from 50 to 140mm; galvanized with white or yellow zinc. • Item : Silding Gate ... /V /H groove, 2) single or double bearing.3) diameters: 50, 60, 70, 80, 90, 100,120,140mm4) white or gold ... in the R&D and production of hardware parties applied to the Sliding Gate, Cantilever Gate, Hanger Gate/Door, Driveway Gates ...