• <bdo id="k4sym"><bdo id="k4sym"></bdo></bdo>
  • <bdo id="k4sym"></bdo>
  • <nav id="k4sym"><input id="k4sym"></input></nav>
  • <blockquote id="k4sym"><samp id="k4sym"></samp></blockquote>
  • <blockquote id="k4sym"></blockquote>
  • 五源科技

    Classic case
    Pretreatment of vehicle coating

    Cathodic electrophoresis is generally used as the primer for the whole vehicle, and the classic surface treatment technology - ternary phosphating treatment can be used; Or adopt environmentally friendly silane treatment technology, which is easy to operate and greatly reduces the comprehensive cost of subsequent wastewater treatment. The product quality meets the requirements of the automobile industry. The adhesion is grade 0 and the neutral salt spray corrosion resistance test time can be more than 1000h.


    乌克兰美女高潮呻吟_中国妇女毛茸茸黑乎乎_五月丁香啪啪_高潮痉挛videos ?