<wbr id="l9ri4"><legend id="l9ri4"></legend></wbr>

          <em id="l9ri4"></em>
          <form id="l9ri4"></form>

              Jiangsu Zhichao New Material Technology Co., Ltd

              Tongshan chaote non ferrous metal additive factory

              About us

              Home - About us - Production process

              Optimization of raw materials → proportion → melting → primary purification → addition of alloy elements → alloying → detection → metallographic structure control → secondary purification → functional test → ingot → inspection after furnace → stacking packaging → appearance inspection → warehousing


              亚洲中文字幕无码专区,国产精品一区,女人裸体性做爰免费视频,国产av无码专区亚洲版