“MACH: E/R ALARM INDICATOR COLUMN SYSTEM; MODEL: SG 6; MAKER: HANGZHOU HUAYAN DIGITAL ELECTRON CO; SPECIFICATION: DRAWING NO. = HY20101011WG-001” ELECTRIC HORN; FROM DRW NO: HY20101011WG-001 – PAGE 9/11 HANGZHOU HUAYAN DIGITAL.SG6.NA