Custom Jewelry Manufacturers Thailand - Let your individuality flourish with stacked eye-catching colourful crystals. As all know, Mangla International is Thailand ‘s leading custom jewelry manufacturers & suppliers of high-quality Gold, Silver & Diamond Jewelry for small to large brands. Order personalized and custom Jewelry including earrings, necklaces, rings, bracelets, chains and more designer jewellery. Mangla International is one the top jewelry suppliers in Thailand , including both wholesale suppliers of standard products and custom manufacturers of unique pieces.