Guangzhou Huangpu Port silicon metal 551 offer

Guangzhou Huangpu Port 551 quotations, customer inquiries are welcome foreign trade silicon metal! Silicon is a semi-metal one, formerly known as "silicon." A melting point of 1412 ℃, a density of 2.34 g / cm 3. Hard and brittle. At room temperature, dissolved in acid, soluble in alkali. Nature and metal silicon germanium, lead, tin similar, with semiconductor properties. Silicon rich in natural resources in the earth's crust, second only to oxygen, accounting for a quarter of the total weight of the crust is stronger, silica or silicate form. Purest silicon mineral is quartz or silica. Silicon has two allotropes: a dark brown amorphous powder, lively nature, in the air can burn; another stable crystal (crystalline silicon) is. Usually silica and quartz for glass and other building materials, high-quality quartz for making alloys, metal and single crystal. Guangzhou letter and hee Trade Development Co., long-term supply 551,553,441,411,421,331,3303,2202,2502,1501,1502, substandard silicon, silicon metal models, stable quality, complete specifications. Welcome to the new and old customers to inquire or online advice! Address: Luogang Tianlu Road District No. 308 company official website: http: //www.xinhexi.com or http://www.gzxhxmy.com Alibaba website: http: //senhero.1688.com