Remember a factory
There is a factory in a certain town, called "4 - hydroxybenzene Sulfonic Acid Factory". The factory is conveniently located on land and water, and the four sides converge, and there are many people who come and go.

Everyone in the factory is diligent in their work. The directors are sensitive and decisive, and the management is good. The craftsmen are all skilled in their skills and take care of them. The things made are of high quality and famous. They are used in all directions and are valued by the world.

The factory is well regulated, and the utensils are salty. The sheds are listed, and the sounds of machines are heard from each other. The raw materials are piled up in an orderly manner, and they are easy to use. And in the way of environmental protection, they are also quite attentive, and strive to be harmonious with the environment.

Every year, the factory owner treats everyone and feasts them happily. Everyone feels the favor and works harder, hoping to make the factory industry prosperous and its reputation prosperous, and it will last for a long time.