Email: sales@yzsyoptics.com Tel: +86 13651003083

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Name: Ted Yu

Mobile：+86 13651003083

Tel：+86 13651003083

Whatsapp：Sales@yzsyoptics.com

Email：sales@yzsyoptics.com

Add：Tuoli Industrial Park ,Qinglonghu Town 102471,Fangshan District,Beijing ,China