... Board Thickness, Immersion Gold Finishing, Used for Telephone Purpose 1.UL,SGS,ROHS,IS09001,CE,IPC ... 0mm Board Thickness, Immersion Gold Finishing, Used for Telephone Purpose 1.Base Material:FR42.copper thickness:1oz3 ... aerospace,medical equipment, telecommunication and other industries. For many years, our products have been well ... Thickness, Immersion Gold Finishing, Used for Telephone Purpose