三久海運 Company Profile

Comprehensive trading company for sand! Leave everything related to silica sand to us.

Our company, established in 1946, is a "comprehensive trading company for sand" that collaborates with partner companies to extract and process silica sand and mineral products, providing a consistent service until delivery to our customers. With "factories and yards located throughout Japan," "design and development technologies that can meet various needs," and "stable product manufacturing and sales," we offer high-quality services that satisfy our customers through this integrated management system.