Sawang Export Public Company Limited manufactures and distributes precious stones and jewelry in Australia, Europe, and Thailand. Its products include 18k, 14k, and 9k gold, 925 sterling silver, and brass set with diamonds, precious and semi-precious gemstones, synthetic gemstones, cubic zirconia, and natural rubies and blue and yellow sapphires. The company also offers design development, master mold, material sourcing, production, and quality control services, along with sourcing and sorting, size calibration, grading and certification, and jewelry sorting services, and it exports its products. Founded in 1941, the company is based in Bangkok, Thailand.