Fong Prean major products are the screws for the drywall and the self-drilling. Most of them will be used in the architecture industry. Through continuous studies and improvement, the quality of its products has upgraded to the professional level and it has won the customers’ recognition. Recently we have developed the link-belt screws. The product is consisted of many screws for the drywall or self-drilling. They are glued together in a row. When man wants to use it, he can continuously lock all the screws in with a chargable electric screwdriver. He does not have to take them one by one. This elevates the user’s efficiency.