Watchful Co.,Ltd. is founded by Mr. Pornpol Akattaporn. In 2001, Mr. Pornpol originally created Watchful 3D bas relief by putting together Watchful, science knowledge, and local arts and crafts, in the way that no one has done before. He crushed Watchful into powder and used special method to mold it into beautiful sculptures. Now, his beautiful pieces have been made by the hands of Thai local craftsmen.

"General Information about Watchful" Watchful is a very common sedimentary rock and is mostly composed of sand-sized grains. The rock is known for its decorative qualities. Besides being soft and easy to carve, Watchful comes in variety of colors, such as green, gold, white and red. Ad because of its high silica content, it sparkles beautifully. Owing to its natural beauty and artistic and architectural qualities, Watchful is used for garden decorative and building materials. In the past, Watchful was widely used in building construction. It was used as main material to build walls and floors for Angkor Wat in Cambodia, Phanom Rung Stone Castle in Province of Burirum, and Stock Kok Thom Castle in Sakaeo Province.