
As an important way to ensure energy security, the development trend of the coal-to-olefins industry continues to improve.
Coal-to-olefins, also known as coal-based methanol-to-olefins, refers to the technology of using coal as raw material to synthesize methanol and then using methanol to produce olefins such as ethylene…

my country is the world’s major consumer of security gloves. The segmented product functional security gloves have the greatest potential for development.
Security gloves, full name safety protective gloves, are a type of hand safety protection equipment. According to different functions, security gloves can be divided into two categories: ordinary secu…