Crystal relatively rare in nature important components used to manufacture the electronics industry, optical instruments and crafts. Silica is an important raw material to manufacture optical fiber. Silica minerals refers to the same chemical formula (SiO?) Silica manufacturers, but there are differences in the structure of minerals, these minerals collectively known as class differences as body mass, including quartz, cristobalite and tridymite. Silica manufacturers _ Weifang Fuyuan (Online) _ silica provided by the Environmental Protection Technology Co., Ltd. Weifang Fuyuan. Weifang Fuyuan Environmental Technology Limited (www.wfdafuyuan.com) (www.wfdafuyuan.com) Shandong Weifang, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. In Weifang Fuyuan leadership with the staff warmly welcome all inquiries negotiations to create Weifang Fuyuan better future.