<h1 align="left" style="text-align:left;"> <span class="msoIns" style="font-size:12px;"><strong>Structure Design of Extru</strong></span><strong><span style="font-size:12px;">sion</span></strong><span class="msoIns" style="font-size:12px;"><strong>and Pelletizing</strong></span><strong><span style="font-size:12px;">W</span></strong><span class="msoIns" style="font-size:12px;"><strong>orkshop</strong></span><strong><span style="font-size:12px;">s</span></strong><span class="msoIns" style="font-size:12px;"><strong>in Polypropylene Plant</strong></span><strong><span style="font-size:12px;">s</span></strong><span class="msoIns"></span> </h1>