Our company, China Yin xin Gems specialized in the line of synthetic gemstones( Hearts& arrows, also called cz dimond, cubic zirconia, ruby, sapphire, glass, spinel), semi-precious stones(Amethyst, Peridot, Topaz, garnet), little preciou stones( Ruby, Sapphire, diamond) for nearly 20 years since 1994, has our own raw material and cutting, facetting, polishing factories, ensruing full range of the process to supply the stones according to customers' requirement.