Zaozhuang Ruizhong Gem Crystal Material Co., Ltd.  

Product Name: High Purity Sapphire Crackle for Crystal Growth Material Model NO.: 5N Purity: 99.999%: Density: 3.98g/cm3 Hardness: 9: Size: 5-20mm Color: Transparent White: Shape: Irregular Shape Trademark: polaris Transport Package: Pallet and Carton Specification: purity: 99.999% Origin: Zaozhuang, China HS Code: 71049019 Product Description Zaozhuang ruizhong gem crystal material Co., ltd is invested by yantai huajing gem Co, ltd. It is registerred into stock company in zaozhuang in April,2011.advanced technicians are 8 persons , The major product is rough ruby #1,#2,#3,#5,#8, alexandrite, blue corundum,white sapphire in half boules.yantai company was built in 1976 blue corundum,white sapphire in half boules.yantai company was built in 1976.The quantity of an annual is about 200 tons, 60% of which are exported to India, South Korea,Pakistan, Japan,the United States,France,product quality and foreign exchange,with Outstanding products.Synthetic rough white sapphire crackleVarious sizes and shapes are availableLED substrate material which is a kind of raw material of CZ TGT, EFG, KY and morePurity is more than 99.999%Color: Transparent whiteContent is aluminum oxide.