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      2. Contact us

        Langfang COSCO Hengtong optoelectronics Co., Ltd. (Headquarters)

        Address: No.1, East Xinyuan Road, Langfang Economic and Technological Development Zone, Hebei Province

        Post code: 065001

        Tel. + 86 0316-6067207 6067208 6067209

        Fax + 86 0316-6067226

        website: https://www.bjoptics.com

        Email: sales@bjoptics.com bjoptics@126.com sale1@bjoptics.com goebel@bjoptics.com

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