It is better to follow the trend of self-innovation

On January 16, Shandong Dongying Tiantong Rubber & Plastics Co., Ltd. and Wuhan Iron & Steel Corporation signed an order for 10 million yuan in special tires. Company owner Li Zuotang told reporters happily that their products could be accepted by large companies. The company insists on the

What are our goals for the next five years? -- New Achievements in the Development Outlook for China's Petroleum and Chemical Industry in the 11th Five-Year Plan to Refresh the National Economy

During the “11th Five-Year Plan” period, the market environment of the petroleum and chemical industry will have new features: most products will show an increasingly popular trend, and resource-based and energy-consuming products will sometimes be in short supply. With the increase, th

Shipbuilding and navigation

A ship is a means of transport for people to use for floating water. The essential elements of a ship are: buoyancy, stability and strength. The primary reason why a ship becomes a tool for navigation is that it can float on the water. One day in 250 BC, the ancient Greek mathematician Archimedes