Plywood (100% waterproof)

Advantages:

* 100% environmental product (sell & buyback),
* 100% increase cycle times of usage (up to 500 times
* 100% waterproof, fungus resistant, vermin resistant,
* 100% free from cement for slab,
* 100% not require form oil for slab, (save form oil & labor cost)
* 100% 1 year guarantee on skin does not peel off,
* 100% guarantee buyback after used at any sizes,
* 100% save construction cost - not to buy plywood for the next project.