A rich lineup of "circular drainage ditches" active in various fields!
This catalog features "circular drainage channels" handled by Kokka Corporation, which mainly engages in the manufacturing and sales of permeable concrete products.
We offer a wide variety of products, including the "circular drainage channel floor type," which can be used in conjunction with accessories (angles) for interlocking, and the "circular drainage channel dual slope type," which is suitable for collecting water from both sides and is ideal for building exteriors and parking lots.
[Featured Products]
■ Circular Drainage Channel Floor Type
■ Circular Drainage Channel Dual Slope Type
■ Circular Drainage Channel Mound Type
■ Circular Drainage Channel Cross Type
*For more details, please download the PDF or feel free to contact us.