Shanghai Asin Optical Materials Co., Ltd (LEAD OPTIMA ELEMENT TECH)
地 址 ADD: No.229, Guanyue Road, Pudong Distric,Shanghai 200120, China
http://www.asinoptics.com http://www.loet.com.cn
EMAIL: sales@asinoptics.com
TEL/WECHAT：0086-01-3262-923-213
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