Among the top 500 companies in China, PetroChina ranks first and Sinopec ranks second. This all shows that chemical industry plays an important role in the national economy. Similarly, in our daily life...Looking at this beautiful trademark again, everyone knows that the printing and dyeing industry is very polluting, but with the development of environmentally friendly printing and dyeing technology, this problem is being alleviated. Logo Center The sun rises and shines brightly, symbolizing the booming development of China's oil industry and its bright future.