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SIGMA was honored with ultraviolet medical light source OEM five stars strategic partner by Philips.

Asian Pacific manager of Philips special light source department Mr Wang and China regional manager Mr Xiong , paied a special visit to SIGMA, awarded SIGMA ultraviolet medical light source OEM five stars strategic partner, negotiation on many events, such as future cooperation, SIGMA 20 years celebration, European headquarters of Philips will visit SIGMA in September and so on.

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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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