<tr id="soule"><source id="soule"></source></tr> <dd id="soule"><optgroup id="soule"></optgroup></dd><tr id="soule"><source id="soule"></source></tr>

        <sub id="soule"><listing id="soule"></listing></sub>
          1. Jiangsu Xingsheng Chemical Co., Ltd.

            江蘇興盛化工

            Research, Production, Sales, Service

            Comprehensive Chemical Companies

            Jiangsu Xingsheng Chemical Co., Ltd.

            Products

            Sales hotline:+86-13901482293 , +86-13862793632 , +86-513-84541589

            2,3-Dihydroxy Naphthalene-6-Sodium Sulfonate

            Alias Dihydroxy R Salt
            Molecular Formula C10H7O5SNa
            M.W. 262
            Structure
            Uses Be used as dye intermediates to produce coupling agent in preparation of diazo photographic paper.
            Specifications
            Packing 25kgs net plastic woven bags lined with plastic bags.

            Go
            Top

            来吧综合网亚洲,国产综合久久久久久,亚洲欧洲中文字幕无线乱码,91无码人妻精品在线播放观看 51视频国产精品一区二区 国产免费无遮挡18禁日韩 国产白丝美腿娇喘高潮的视频 国内精品一区二区三区视频 欧美精品乱人伦久久久久 国产精品无码专区 一本到国产在线不卡免费观看 日本欧美道一区二区三区