Sirinee Lertsirimit is a miner, manufacturer and wholesaler of rough Black spinel, cut black spinel or nin, and blue sapphire from Thailand. Sirinee Lertsirimit is a miner since 1992 in Kanchanaburi province, Thailand. We have been a stone cutter since then. Our customers are from all over the world like wholesaler from new york city, mainland china, and South Africa.
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