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Contact Us

Address:Rm 2601,Building D, Everbright Convention &Exhibition Center,No.80,Caobao Road.
Zip Code: 200235
Tel: 8621-39813380
Fax: 8621-64325357

Sigma has a large number of patents and has been regarded as a "Shanghai Hi-tech Enterprise" since 2001. Our independent research and development for the SS-03 and SS-05 ultraviolet phototherapy units won us the “Shanghai A-level High-Tech Achievements Transformation Project" in 2002.
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