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      1. 人妻体内射精一区二区_国产色xx群视频射精_一本一本久久a久久精品综合麻豆_成人一区二区免费视频

        ABOUT CHANHEN

        About?Us

        2002-2004

        2002

        2002

        In September with 8 million CNY, the founders came to Guizhou. With perseverance, Chanhen people completed the construction of 50kt/a feed grade calcium hydrophosphate production line in four months, and successfully started the operation in January 2003.This spirit of fearless, innovative and enterprising, was known as "Chanhen speed" at that time.

        2003

        2003

        In December the first set of 30kt/a hot process feed grade Monocalcium Phosphate production line was built up and successfully put into operation. In December, the company passed ISO9001:2000 standard quality system certification

        2004

        2004

        The independent innovated and designed 30kt/a phosphoric acid concentration and purification device successfully operated. The industrialization of the whole set wet-process phosphoric acid producing MCP had achieved 50kt/a capacity which filled the gap of this technology in China and laid the foundation for the deep purification of wet-process phosphoric acid.
        国产色xx群视频射精_一本一本久久a久久精品综合麻豆_成人一区二区免费视频_免费成人在线电影_久久精品国产99精品国产亚洲性色

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