and distributing prestressed concrete pipes, sewer pipes, kso. concrete drain diameter 20 cm, 30 cm, 40 cm, 60 cm, 80 cm, 100 cm, and 120 cm.

all sidewalk slabs are made from selected quality concrete raw materials with standard ingredients. through the production process with a machine with high compressive strength, each sidewalk structure is compacted into one homogeneous layer. strong and durable not easily broken universal pavement