Changchun Hengrun Optoelectronics Tech. Co., Ltd.
3003 Qianjin Street, High-new Technology Development Zone, Changchun, Jilin province,China.130012
Tel: ++86-431-85107895  /  ++86-431-85107618  Fax:++86-431-85106208 Email: sales@chroptic.com
Internet: www.chroptic.com