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Changchun Hengrun Optoelectronics Tech. Co., Ltd.
Address£ºBuilding B15, North Lake Science and Technology Park, Changchun city, China 130000
Tel:++86-431-88601057 / ++86-431-88601067  Fax:++86-431-88601082
Email: sales@ir-optic.com
Internet: www.ir-optic.com