A na-emepụta extrusion plastik, dị ka profaịlụ UPVC (polyvinyl chloride siri ike) ma ọ bụ ngwaahịa ọkpọkọ, site na ngwakọta, nhazi extrusion, ịkpụzi, iwepụ, na igbutu resin PVC na mgbakwunye ndị metụtara ya.Ihe ndị na-emetụta arụmọrụ nke ngwaahịa mkpuchi e ...
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