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Introduction of Group Companies
From Value One, Spring 2016 No.52
Our Strengths and Distinctive Qualities
Serving shipbuilders and construction machinery manufacturers—the two biggest client sectors for steel plate
Fully equipped for plate processing with a large pressing machine among others
Advanced knowhow in the assembly of components for ships and construction machinery
Steel that will be used to make boom components for cranes

The Metal One Group’s Only Steel Plate Processor in Shikoku

The Metal One Steel Center Shikoku Corporation is Metal One’s only group member processing steel plates for two major user categories of such steel products—construction machinery manufacturers and shipbuilders. Situated in Marugame City, Kagawa, and facing the Seto Inland Sea, the company processes steel plates in diverse ways for the builders of construction machinery, ships and bridges in neighboring areas. Metal One Steel Center Shikoku’s headquarters plant and No. 2 plant together handle some 24,000 tonnes of steel plates a year.

In the construction machinery sector, Metal One Steel Center Shikoku stamps out booms—the latticed, beamlike structures that are a key component for constructing cranes—for Tadano Ltd., Japan’s biggest crane manufacturer, which is headquartered in Takamatsu City. Using a large 3,000-tonne hydraulic press—which only a few Japanese steel processors possess—the company stamps out diverse crane components varying in size and shape according to crane type.

Shipyards that Metal One Steel Center Shikoku serves are mainly builders of coastal vessels in Shikoku. The company provides a wide range of processing services, including plate cutting, welding and block assembling. Block assembling—an upstream phase of shipbuilding—is a high-value-added service. The company is proud of its advanced technical knowhow implemented by personnel that have mastered the most difficult aspect of plate processing for shipbuilding, known as gyotetsu or bending. This requires high-level skills in baking steel plate with a burner and bending the expanded steel while cooling it with water. Metal One Steel Center Shikoku is also making vigorous efforts to develop employees at the actual processing sites with an eye to inheriting Japan’s world-class standards of shipbuilding technology.

“Tadano is enjoying strong, sustained demand mainly from the domestic market,” Metal One Steel Center Shikoku President Yoichi Matsumura says. “It plans to build a new plant in Takamatsu, and we will continue to supply the company with high-quality products. We are suffering because of the trend among shipyards to assemble blocks on their own, but we will steadily pursue demands from smaller builders of coastal vessels. We would also like to grow our melt-cutting business for bridge building and other projects, since the government’s Building National Resilience scheme is increasing the number of construction projects.”

Tadano has strong ties with Metal One Shikoku, with the two having a long history of working together—both in terms of personnel and sales—and this is one of the reasons for the clients’ deep trust in us.

“Safety first is the key requirement in factories,” adds President Matsumura. “We would like to upgrade our safety education efforts along with absorbing skills.” The company is enjoying increased recognition as the Metal One Group’s only Shikoku-based steel plate processor.



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