is a joint venture that integrates the R&D, manufacture and marketing of optoelectronic products, and is one of the hi-tech enterprises in China. Sen Xun Da is specialized in R&D, production, and marketing of Green laser pens, laser pens, green laser modules, mobile phone peripheral products, digital telescopes, USB products, defense products ,so on hi-tech optoelectronic products, with its products having been authenticated by CE, TUV, FDA, RoHs, and PAHs.
ˇˇˇˇWith the efforts of many years, it has been e...
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