... ). Telecommunication relays 2). PCB relays 3) We professionally produce relays with 8 series: 1). Telecommunication relays 2). PCB relays 3). General ... -power relays 5). Automotive relays6). Time relays 7). Latching relays8). Relay sockets Standard: UL, TUV, VDE, RoHS, CQC, ISO9001 Application field ... and instruments,telecommunication equipment, office appliance and so on Sell Relay