Our company is located in Singapore. We are a trading company with strong network in southern Africa countries like Zambia, mozambique, tanzania, angola and dr Congo. We supply rough precious and semi-precious gemstones that are originated from these countries, products including amethyst, aguamarine, garnets, tourmaline, citrine, quartz crystal, topaz and emerald, all are rough materials. If you are looking for other rough gems, we also can help you. We welcome bulk order.