CK San-Etsu Co., Ltd.
CK San-Etsu Co., Ltd. (5757) specializes in the manufacturing of copper and copper alloy products. The company is known for its high-quality rolled copper foil, brass, and phosphor bronze products, which are crucial in various industries such as electronics, automotive, and telecommunications. CK San-Etsu Co., Ltd. operates primarily in the manufacturing sector, focusing on metal processing and product development to meet diverse industrial needs.