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.The company also has many advanced equipment,such as infrared and ultraviolet spectrophotometry, atomic absorption inspection equipment, glass stress inspection and so on, which are used to inspect the physical property of the products.
The company took a heavy task of "the Nine Five-Year Plan" emphasis science and technology item "Low hydroxyl high quality quartz glass tube",already on passing qualification which is confirmed by national organization.
It has also taken the task of emphasis science and technology item in Jiangsu province "peculating ultraviolet quartz glass tube used in gas discharge light with high srength".All this incarnated the inaugurate advantage.In 2001,it was appraised as "dense quality priority enterprise","excellent science and technology enterprise","silicon resource diaphysis enterprise",is listed in the silicon resource development industry section.