Corporate Profile | Butterfly Valve design manufacturing・Bulk Handling System

Spero Seiki Co., Ltd. is an engineering company specializing in the design and manufacturing of equipment for powder transport vessels and butterfly valves.
Since our establishment in 1973, we have continuously refined our technology and expertise in powder transport, and in 1974, we began manufacturing and selling conveyors for pneumatic powder transport.

Since then, we have also responded to total engineering needs in powder transport and have provided products and services that meet our customers' diverse needs over many years.
Furthermore, in 2010, we embarked on the development of specialized solid cargo transport vessel systems, expanding our product lineup.

As our main business, we handle the design and manufacturing of butterfly valves and the design and production of cargo handling equipment for powder transport vessels, including bulk cement carriers. We have also established a comprehensive system that can provide total solutions from design to manufacturing for cargo handling equipment for coal carriers.

Moving forward, we will continue to respond to evolving needs with the times and contribute to society through high-quality and reliable products.