We are glad to announce that our web site http://www.rztoptics.com.cn has beed finished now. You will be able to find all data for our products. Detailed specifications of typical size also include.

We hope you will enjoy visiting our web site and will take advantage of all the new information it offers. Please send your comments and notes to following email address:ncmqyl@sohu.com

Best regards,

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Yongli Qiao