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Thank you for visiting the website of Chongqing Changzheng optics Co., Ltd. If you have any intention of cooperation, please leave a message for us or contact us, we will provide you with sincere service, thank you!
Address：Xiaowan Industrial Park, Xiema Town, Beibei District, Chongqing, China.
Tel：+86-023-68246602
E-mail：yangyingcongok@hotmail.com
Zip code：400700
©️ 2023 Chongqing Changzheng Optical Co., Ltd. All Rights Reserved.
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