Inside added to the resin, the resin can be improved moisture and insulation. Silica. Filled in plastic products, increase the skid resistance and oil repellency. Silica, also known as precipitated hydrated silica, fine silica silicate | Weifang Fuyuan | Which manufacturers strong silica provided by Weifang Fuyuan Environmental Technology Limited. Silica | Weifang Fuyuan | silica Which manufacturers is strong Weifang Fuyuan Environmental Technology Limited (www.wfdafuyuan.com) (www.wfdafuyuan.com) this year introduced a new upgrade, the above picture is for reference only, please You call Tel picture on this page or to obtain the latest information, contact: MGA.