SUNYIN CRYSTAL CO., LTD was established and registered in 1994 .Currently, we mainly focus on sapphire crystal??development and production.
Over year??business, we believe good quality is an integral part to success in competitive market. By building up authentic cooperation network, updating innovative concept??UNYIN is gradually growing up to an efficient and satisfied company. Our plant occupies a total of about 6000m2 and employs about 700 workers. Combining with advanced equipments and facilities, monthly production volume reaches 800000 pieces. There are a variety of sapphire crystals and optical crystals to be chosen. All have good quality and competitive price.