Description
The mmepụta ahịrị na-bụ-eji maka mmepụta nke polyvinyl chloride bidirectional gbatịa (PVC-O) mmiri ọkpọkọ (CJ / T445-2014) ma ọ bụ eletriki waya n'ọbọ ọkpọkọ, na-eji extruded UPVC ọkpọkọ nke ịgbatị axial na radial direction, na-eme ka PVC molekụla yinye a na-ahazi mgbe nile, si otú na-enweta magburu onwe n'ibu (ike, ike, ike ọgwụgwụ, wdg).
nkọwa


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