Lianyungang Haisheng Quartz Tech. Co.,Ltd. is located at Jiangsu Donghai County,which is called "China's Crystal Town".It is an enterprise with the Gather of production,scientific reasearch,sales and service.

The company is restructured from the origin of quartz products factory.After having introduced from Britain GB Company's lines,the company possesses of 3 product lines and produces 700 tons glass tube annually.In order to grantee product,the company adopt laser to measure diameters and thickness.