Donghai Yuanfeng Quartz Products Co., Ltd. is located in Donghai County, Jiangsu province, is an experimental quartz glass instrument manufacturer, seller. The company's main research and development and sales of high-quality optical quartz glass, sapphire, quartz tube, quartz rod, quartz boat, quartz beaker and other experimental quartz glass instruments, utensils manufacturers, focus on quartz laser finishing (drilling, slotting, cutting). Products are widely used in semiconductor, electronic information, solar photovoltaic, infrared heating, aerospace, chemical industry, scientific research and development colleges, laboratories and other industries.