Rizhao Garnet Ltd
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Donghai Brothers Mining Co., Ltd, based in Lianyungang, China, is a manufacturer and trading company specializing in the digging, processing, and marketing of high-quality garnet products. Established in 2008, the company employs between 11 and 50 people and operates with advanced production techniques, including two water production lines for washing, drying, and magnetic choosing, ensuring products meet international standards with high cleanliness, dryness, purity, and low impurity. With an annual output of 20,000 tons, their garnet is free of free silica and is utilized across various applications such as sandblasting for offshore rigs and pipes, abrasives for water jet cutting systems, fine-grained powders for polishing glasses, TV-tubes, and metal decorative stones, as well as for water filtration, grinding wheels, and coated abrasive fields. The company is dedicated to continuous process improvement and providing excellent service and quality to its global customers.
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Zaozhuang Ruizhong Gem Crystal Material Co., Ltd.
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201151-100 peopleManufacturer/Trading CompanyOEM manufacturer
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Zaozhuang Ruizhong Gem Crystal Material Co., Ltd. is a premier manufacturer and trading company specializing in synthetic gemstones and crystal materials. Based in Zaozhuang, China, the company was established in 2011 as an investment by Yantai Huajing Gem Co., Ltd., an industry pioneer with roots dating back to 1976. Operating from a facility spanning 5,000 to 10,000 square meters, the company is recognized as one of the oldest and most established synthetic gemstone producers in China.
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With a workforce of approximately 100 employees, including advanced technicians and a dedicated R&D team, the company maintains strong technical partnerships with domestic universities and research institutions. This focus on innovation supports their OEM and ODM capabilities. Zaozhuang Ruizhong Gem Crystal Material Co., Ltd. maintains an annual production capacity of 200 to 300 tons, with approximately 60% of its output exported to international markets, including the United States, France, South Korea, Japan, India, and Egypt.
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