Zaozhuang Ruizhong Gem Crystal Material Co., Ltd.  

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Zaozhuang Ruizhong Gem Crystal Material is invested by Yantai Huajing Gem. Which is a professional manufacture in gem field with more than 30 years, the build date is in 1976. We specialize in rough rubies #1, #2, #3, #5 and #8, alexandrite, blue corundum and white sapphire in half boules. Cut stone, sapphire crystal, jewel bearing and so onWe have more than 100 employees including three advanced technicians. With a strong technical power and independent R&D capability, we have employed crystal experts from famous domestic colleges and universities, and research institutions as our permanent technical consultants and cooperation partners. Since 2003, we have begun to research 5N white sapphire crackle with special purity, which is the material of KY, EFG and CZ crystals. The purity is more than 99.999 percent. Our annual quantity is about 200 tons, 60 percent of which are exported to India, South Korea, Pakistan, Japan, the US, France and Egypt. We ranked first in the domestic i... [详细介绍]