Changchun Hengrun Optoelectronics Tech. Co., Ltd.
286th Torch Road, High-new Technology Development Zone, Changchun, Jilin province,China.130012
Tel:++86-431-88601057 / ++86-431-88601067  Fax:++86-431-88601082 Email: sales@ir-optic.com
Internet: www.ir-optic.com