... of Synthetic Gems - Wuzhou, Guangxi, China, was founded in 2003. We are specializing in the production, processing and sales of gemstones. After ... zirconia, glass, spinel, and corundum, to produce gemstones. We can provide clients with gemstones in any color, specification and quality according to ... according to the customer's demands. DeliveryPayment wholesale rectangle glass gemstones