八溝マテリアル List of Products and Services

Our company ensures a stable supply of high-quality crushed stone by consistently managing everything from raw material extraction to processing and logistics (supply systems). We employ the bench-cutting method, which allows for stable and safe excavation work without being affected by weather conditions. Additionally, raw material processing is conducted at each plant according to the type of crushed stone. Product inspections are carried out by dedicated technical staff based on JIS standards to ensure the quality of all products. [Crushed Stone Classification Samples] ■ Subbase material ■ Base material ■ Crushed stone for concrete ■ Crushed stone for asphalt concrete ■ Crushed sand for concrete, etc. *For more details, please download the PDF or feel free to contact us.

• Aggregates and crushed stone