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Address: D1, Hengyuan Industrial Park, Linyi County, Dezhou City, Shandong Province,China(mainland)
TEL:+86-534-4233380 +86-534-4362995 +86-13953464815(Gong) +86-15166907006 (May Choi)
E-Mail: qingxia.gong@yuying-sd.com may@yuying-sd.com yuyingfresnellens@gmail.com
Has been focusing on the development and production of Fresnel lenses
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