Manufacturing Process

1. Collecting Sand

• After sorting by size and eliminating the alien substance, collect the sand

2. Drying

• Drying process to carbonize the collected sand

3. Blending

• Decide the composition ratio of main material and subsidiary materials by usage of sand stones

4. Marbling

• Process for making all kinds of pattern similar to natural stones, if necessary

5. Pressing

• The process of the using the kiln makes the pulp sludges to be non-combustible and high strength product

6. Firing

• The process of cutting the pulp sludge plate into a required size