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meilong,Shenzhen,China China
Dasheng optical components for your optical or optical coating system provides extensive services, from ultraviolet to visible and infrared bands can
Da Sheng Optical offers the most high-quality optical lens processing services. The company has the advantage of ultra-precision machining of small l
連絡先担当者 Mr. Allen xu
住所 meilong, Shenzhen
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