no.98 huanghe road , economic development zone , donghai county , china
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 glas...