Trez Jewelry – The Professional Jeweler No.135 1st. Fl. Siam Paragon Patumwan 10330 Tel: 02-129-4359-60, 01-836-1678 e-Mail: service@trezjewelry.com www.trezjewelry.com     ABC Jewelry – The Professional Jeweler No.21 4th. Fl. Central World Plaza Rajdamri, BK 10330 Tel: 02-255-6283 e-Mail: service@abcjewelry.co.th www.abcjewelry.co.th