Room 1616 Building 4 Lane 5000 Gonghe New Road

Shanghai HengGang industrial co., LTD is engaged in glass deep-processing and glass die-casting forming. The products are widely used in optics, illumination, laser communication, biochemical industry...

No. 25 Chong Yip Street, Kwun Tong, Kowloo

Hap Optics, founded in 1999, dedicates to research, design and produce high quality precision optics components, provide our customers with the highest quality precision optics products at extremely c...

7 / f 375 Ki Lung Street Sham Shoi Po Kin

...