美女视频免费观看网站在线,美女在线永久免费网站,美女在线观看永久免费网站

      <pre id="xzvvx"></pre>

            <p id="xzvvx"></p>
            Yixing Jincheng Chemical Co.,Ltd.

            宜興市錦程化工有限公司

            Yixing Jincheng Chemical Co.,Ltd.

            Hotline:

            +86-510-87941102

            PRODUCTS

            PRODUCTS

            Sodium bisulfite

            Executive Standard: HG/T3814-2006

            Standard: (Technical grade)

            SO2 Content: 64~67
            Water Insoluble Matter: ≤0.03
            Chloride (Cl): ≤0.05
            Heavy Metal ( in Pb): 0.001
            Iron (Fe): ≤0.004
            Arsenic (As): ≤0.0002
            PH Value (50g/L solution): 4.0~5.0

            Packing: 25KG woven bag

            蘇公網安備 32028202000288號

            GO
            TOP