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Founded in 1964, Jiaozuo Zhongzhou Carbon Co., Ltd. ("Zhongzhou Carbon") is a technology-based joint-stock enterprise specializing in the production, research and development and sales of carbon products. The company has a total investment of about 700 million yuan and has more than 450 employees, including 9 senior engineers and 36 technicians and R&D personnel.

Zhongzhou Carbon is a registered trademark of Black Triangle. As a well-known domestic carbon industry, it can produce 40,000 tons of carbon products per year. Among them, 30,000 tons of graphite electrodes, 10,000 tons of graphite standard parts and non-standard parts. Products are widely used in electric arc furnaces, ore furnaces to produce alloy steel or other metal, non-metallic materials, etc., sold well throughout the country, and exported to Europe, America, Southeast Asia and other countries and regions. Based on the research, development, production and operation history of carbon products for more than 50 years, Zhongzhou Carbon has established a set of effective management systems and passed the ISO9001 quality system certification. Its product quality and process technology have reached the international advanced level.