Silica is widely found in nature silica companies, and other minerals constitute the rock. Natural silica called silica silica, good quality accounting for 12% of the earth's crust by mass silica Which, its presence in the form of two crystalline and amorphous states. Crystalline quartz silica, crystalline forms and have different colors. Colorless and transparent quartz crystal is commonly referred to as crystal. Banded or layered with color ring is called agate (impurities). Quartz mineral was first discovered on the moon in a few classes at the crushed granite, felsite at the same time filled with a lot of cristobalite mineral analysis showed that its fine structure and composition, which is actually composed of quartz party Quartz change over. Silica manufacturers, silica, Weifang Weifang Fuyuan Fuyuan provided by the Environmental Protection Technology Co., Ltd. Weifang Fuyuan Environmental Technology Limited (www.wfdafuyuan.com) (www.wfdafuyuan.com) strong, credible, Shandong Weifang other industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Weifang Fuyuan into the brilliant and you work for a better future!