<li id="kg2ly"></li>
<progress id="kg2ly"></progress>
  1. <center id="kg2ly"><progress id="kg2ly"><progress id="kg2ly"></progress></progress></center>
    <b id="kg2ly"><samp id="kg2ly"><b id="kg2ly"></b></samp></b>
    1. <xmp id="kg2ly">
      <xmp id="kg2ly"><font id="kg2ly"></font>
      <xmp id="kg2ly"><font id="kg2ly"></font>

      <xmp id="kg2ly">
      <center id="kg2ly"></center>
      <progress id="kg2ly"><progress id="kg2ly"></progress></progress>

    2. Hengyang Best-selling Chemical Industry Co.,Ltd

      Products

      Zinc Sulphate Heptahydrate

       
      Molecular Formula:
      ZnSO4·7H2O
      Properties:
      Colorless rhombic system, odor-free, sterile, convergence, easily weathering in the dry air, soluble in water, slightly soluble in alcohol and glycerine.
      Specification:

      Item Zn As Pb Cd
      Specs ≥21.5% ≤0.0005% ≤0.001% ≤0.001%

      Usage:
      1. In agriculture: Used as a trace element fertilizers, feed additives, etc.
      2. In industry: Used in making Lithopone, and used as a mordant, astringents, wood preservatives, etc. Packing: In woven bag lined with plastic, net wt. 25kgs/bag or 50kgs/bag or in ton bags. Or according to the commodity inspection or foreign requirements to packing for exporting products.

      中文字幕亚洲一区二区VA在线,国产精品一区二区AV白丝在线,洗澡被公强奷30分钟视频二百,快射视频
      亚洲熟妇色XXXXX欧美老妇Y| 曰韩无码无遮挡A级毛片| 狠狠人妻久久久久久综合| 啊灬啊别停灬用力啊动态图| 么公一夜要了我一八次口述| 久久久久久久精品成人热| 无码人妻AⅤ一区二区三区| 18禁黄网站禁片免费观看APP下载| GAY片男同黄网站WWW| 男人把大JI巴放进女人有视频| 吃奶呻吟打开双腿做受视频|