- sapphiretuyen
- sapphire natural rough,ruby rough,sapphire crystal natural rough size lager many,sapphire crystal natura rough.
- Address:Thai Thinh
- A Dong Gold Silver Gemstone Company Limited
- Gemstone,Gemstonepainting,Jewelry,Precious Stones,Topaz,Emerald,Sapphire,Amethyst,Ruby,Aquamarine,Rough gemstone,Peridot,Spinel,Star ruby,gemstone.
- Address:Room No. 3, 3rd Floor, 91 Dinh Tien Hoang
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