9FJiacheng Building, Jinji lake road, Industrial park

We are the professional promotional product vendor and manufacturer .Promotional products,magnifier,Fresnellens, Glass lenses, prisms , etc. Also known as ad specialties, supply over 500,000 different...

No.200 LaoHuTai Road, Shanghai, Shanghai, China

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No.3188, Yangpu Street, Changchun, China.

Changchun Worldhawk Optoelectronics Co., Ltd. was founded in 2010 by John Wang, formerly optical senior engineer and manufacturing Director of Changchun Institute of Optics, who has nearly 40 years ex...