Donghai Kaiwang Quartz Products Co., Ltd. is located in the beautiful Seaside city Lianyungang, Jiangsu, China. We are specialized in the research, manufacture and sales of quartz products. With advanced equipment, strong technical capabilities, perfect inspection methods and strict quality assurance system, we mainly manufacture and export quartz products, like high purity quartz sand, quartz crucible, transparent quartz glass tube, oxidized quartz glass tube, quartz glass diffusion tube, grinding mouth quartz glass tube, quartz glass slide, quartz boat, quartz ware, quartz mound, quartz rod, light stick, light building material, medical device, scientific instruments, etc.

Our products are sold to more than twenty provinces within China. Meanwhile, they are exported to lots of other countries and regions, like South Korea, Southeast Asia, Europe, America, etc. and are very popular among our clients,

Donghai Kaiwang Quartz has been honored as Jiangsu High Technology Enterprise and has passed ISO9001:2000 Quality Management System Certification.

We always remind ourselves that "Client is the Center, Quality is the key". We will do our 100% efforts to make our clients satisfied!