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Selection and precautions of PE ball valve

Time of issue : 2020-03-20 15:24:00

Polyethylene, or PE, is one of the most widely used plastics since the invention of petrochemical products by human beings. Since the 1980s, it has gradually attracted people's attention due to its go

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Polyethylene, or PE, is one of the most widely used plastics since the invention of petrochemical products by human beings. Since the 1980s, it has gradually attracted people's attention due to its go