- Jul 24, 2017-
The relationship between human beings and chemical industry is very close and universal to all aspects of life. In modern life, almost anywhere can not be separated from chemical products, from clothing, food, housing, line and other material life to cultural arts, entertainment and other spiritual lives, the need for chemical products for the service. Some chemical products in the history of human development, plays an important role in epoch-making. Their production and application, even represents a certain historical stage of human civilization.
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