Sumitomo

Starting from the business of operating copper musical instruments, Yuan Lu 4 years (1691) to obtain the management rights of the other son Tongshan, after 283 years of copper production continued, Sumitomo has continued to grow. After the introduction of foreign technology and machinery, the production capacity of the Meiji Restoration Period has been greatly leapfrogged. Later, while absorbing Western technology to continuously expand copper production, related businesses such as machinery industry, carboniferous industry, wire manufacturing, and forestry have also been launched. Later, it developed into a modern consortium centered on the mining industry and the financial industry.