PCB solution from experts More>> Special advantages from Usen: Thick copper with 3OZ based copper rigid PCB. Hard gold PCB with Au thickness from 30 to 70 micro inches. Capable of Rogers 3004 job and FR4+Rogers 3004 job. Capable of Bergquist based aluminum boards, with alternative option of local QB-AL series materials. Tel: 86-755-26070050 Fax: 86-755-86215282 Email:sales@usencorp.com Established in 2003 with plant located in south China. Usen has been providing high quality circuit boards to our clients all around world. Usen support our clients from prototyping solution to mass productions. Especially for prototype and small to middle size jobs.The core team of Usen organized by a group of experts in PCB industry. All members have over ...... Home　|　About us　|　Capabilities　|　Samples　|　Contact