"Hsin Yi Co., Ltd." who is one of the Leading for Manufacture, Wholesaler and Exporter of Cubic Zirconia, Synthetic Stones, Glass stones for Hand Cut, European Machine Cut “Hearts & Arrows” (Hsin Yi Star & OUMA quality). Our office and factory are based in Thailand, More important is that we have experience more than 27 years in producing Cubic Zirconia and are able to fit your request.