- GLASSWARE INDUSTRY (HONG KONG) LIMITED
- Address:Future Plaza,111How Ming Street,Kwun Tong
- SCINEX GROUP LIMITED
- Address:2B-17, No.1215 Zhongyi Road
- Optics Focus Instruments Co., Ltd.
- Address:Rooms 1318-19, 13/F, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hong Kong.
- GENERAL SCIENTIFIC (HONG KONG) LIMITED
- Address:UNIT 5, 27/ F RICHMOND COMM BLDG 109 ARGYLE ST, MONGKOK, KL
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