Needle-like crystals develop.
Low thermal expansion coefficient.
Produced by heat treatment of coal tar.
Carbonizes under heat (50% yield).
Needle coke and pitch are mixed and then molded. Heat treatment is then applied in the baking and graphitization process to form the finished product.
（2 to 4 weeks）
Graphitization - Machining
Finished product - Shipping
Reach customers worldwide with tripolar structure in Asia, Europe and North America.
Head Office (Tokyo), overseeing global sales
Sales and technical service network covering all of Europe and the Americas.
(electric arc furnace steelmaking)