SGR Semiconductors lnc.

Tel: 021-60765368

Mailbox: info@sgrsemi.com or sales@sgrsemi.com

Web site: http://www.sgrsemi.com

Office address: room 205, building 2, 235 North Chengdu Road, Jiading District, Shanghai.

Office address: room 1411, 28 Xuanhua Road, Changning District, Shanghai.