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Sigma Corporation of America is a subsidiary of the Sigma Corporation, a Japanese based family owned manufacturer of DSLR cameras, camera lenses and camera accessories. Founded in 1961, Sigma Corporation prides itself on high quality and innovative photographic equipment.
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纺织网是隶属于网盛生意宝旗下的纺织行业网站。为纺织人士提供：纺织贸易、纺织产品行情、纺织资讯信息、纺织人才招聘、纺织网交流论坛等服务。是纺织行业人士上网找生意的平台。
