<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div class="detailmodule_text-image"> <p style="font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-title">pinch valve principle</p> <p style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-content">if you have any question , please contact me , my whats app is +8613732167972</p> <div> </div> </div><br /></div></div>