Lianyungang Dongdong Quartz CO.,LTD, one of the coastal cities of China, is located in Donghai County,Lianyungang, which is near the city of shanghai. It was known as "China Crystal Hometown". Donghai County processeses aboundant resources of high quality silicon, which lays a solid foundation for the rapid growth of Dongxin Quartz. Its main products are more than 5 types and 74 speculations, ranging from 3-300mm clear quartz tube, UV-stop quartz tube,red quartz tube, processed quartz tube, quartz rod,quartz plate, gray quartz tube,and so on. And we have further capacity of trim cuttuing, fire-polishing,pinching, bending, and so on. they are extensively applied at lighting, household appliance, chemicals, communications,electronics and others.We have exported to Germany, Holland, Japan,Korea, US and other countries and regions. They all enjoyed the best quality, competitive price and good service from us. We hope to have the opportunity to cooperate with you in the future!