LCD display use for water heater 1. Approval: ISO9001:2008 2. IPC-A-160 standard 3. ... )8Surface finish/treatmentHASL/HASL lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion Silver/Gold,Osp,Gold Plating9Copper thickness0.5oz Min ... ,ISO9001,ISO14001,ISO/TS16949,ROHS15profiling punchingRouting,V-CUT,Beveling Water heater LCD display