Donghai County Ruihai Trading Co., Ltd., established in 2015 and located in Lianyungang, China, is a manufacturer and trading company specializing in high-tech materials. With 11 to 50 employees, the company is ISO 9001 certified and operates a factory in Donghai County, known as the "Chinese quartz Center." They are a contract manufacturer primarily focused on quartz glass products for the quartz, semiconductor, fiber, and solar industries. Their extensive product range includes quartz plates, windows, observation windows, various quartz tubes and rods, quartz parts, boats, blocks, cleaning tanks, crucibles, beakers, and specialized quartz tooling for semiconductor applications. They offer OEM and ODM services, customizing products based on customer drawings or requirements. Utilizing high-purity raw materials from domestic sources, GE, and Heraeus, Donghai County Ruihai Trading Co., Ltd. exports a significant portion of its quartz products to Taiwan, Japan, South Korea, the United Kingdom, the United States, Germany, France, and Russia, among other countries. They also produce crystal products and glass smoking pipes.
Donghai Chaori Quartz Products Co., Ltd. is a manufacturer of processed silica materials, established in 2003 in Lianyungang, China. With 11 to 50 employees, the company specializes in the production of various silica powders, including crystalline form silica powder, fused silica powder, cristobalite, coating grade silica powder, electrician grade silica powder, electron grade silica powder, general silica powder, transparent powder for artificial stone, crystal powder, high purity silica sand, and high purity silica powder. They operate a modern factory equipped with advanced technology and machinery, enabling them to customize specifications to meet diverse customer needs. Donghai Chaori Quartz Products Co., Ltd. holds an ISO 14064 certification and has extensive experience in international trade, exporting products to markets worldwide, including America, Brazil, India, Dubai, Thailand, and Turkey. They offer products such as Cristobalite Powder, Fused Silica, and Cristobalite Flour.